tulip.c revision 1.59
1 /* $NetBSD: tulip.c,v 1.59 2000/04/02 23:38:05 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x) 42 * Ethernet controller family, and a variety of clone chips. 43 */ 44 45 #include "opt_inet.h" 46 #include "opt_ns.h" 47 #include "bpfilter.h" 48 49 #include <sys/param.h> 50 #include <sys/systm.h> 51 #include <sys/callout.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 #include <sys/ioctl.h> 57 #include <sys/errno.h> 58 #include <sys/device.h> 59 60 #include <machine/endian.h> 61 62 #include <vm/vm.h> /* for PAGE_SIZE */ 63 64 #include <net/if.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 #include <net/if_ether.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/if_inarp.h> 76 #endif 77 78 #ifdef NS 79 #include <netns/ns.h> 80 #include <netns/ns_if.h> 81 #endif 82 83 #include <machine/bus.h> 84 #include <machine/intr.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 #include <dev/mii/mii_bitbang.h> 89 90 #include <dev/ic/tulipreg.h> 91 #include <dev/ic/tulipvar.h> 92 93 const char *tlp_chip_names[] = TULIP_CHIP_NAMES; 94 95 /* 96 * The following tables compute the transmit threshold mode. We start 97 * at index 0. When ever we get a transmit underrun, we increment our 98 * index, falling back if we encounter the NULL terminator. 99 * 100 * Note: Store and forward mode is only available on the 100mbps chips 101 * (21140 and higher). 102 */ 103 const struct tulip_txthresh_tab tlp_10_txthresh_tab[] = { 104 { OPMODE_TR_72, "72 bytes" }, 105 { OPMODE_TR_96, "96 bytes" }, 106 { OPMODE_TR_128, "128 bytes" }, 107 { OPMODE_TR_160, "160 bytes" }, 108 { 0, NULL }, 109 }; 110 111 const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] = { 112 { OPMODE_TR_72, "72/128 bytes" }, 113 { OPMODE_TR_96, "96/256 bytes" }, 114 { OPMODE_TR_128, "128/512 bytes" }, 115 { OPMODE_TR_160, "160/1024 bytes" }, 116 { OPMODE_SF, "store and forward mode" }, 117 { 0, NULL }, 118 }; 119 120 #define TXTH_72 0 121 #define TXTH_96 1 122 #define TXTH_128 2 123 #define TXTH_160 3 124 #define TXTH_SF 4 125 126 /* 127 * The Winbond 89C840F does transmit threshold control totally 128 * differently. It simply has a 7-bit field which indicates 129 * the threshold: 130 * 131 * txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16; 132 * 133 * However, we just do Store-and-Forward mode on these chips, since 134 * the DMA engines seem to be flaky. 135 */ 136 const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] = { 137 { 0, "store and forward mode" }, 138 { 0, NULL }, 139 }; 140 141 #define TXTH_WINB_SF 0 142 143 void tlp_start __P((struct ifnet *)); 144 void tlp_watchdog __P((struct ifnet *)); 145 int tlp_ioctl __P((struct ifnet *, u_long, caddr_t)); 146 147 void tlp_shutdown __P((void *)); 148 149 void tlp_reset __P((struct tulip_softc *)); 150 int tlp_init __P((struct tulip_softc *)); 151 void tlp_rxdrain __P((struct tulip_softc *)); 152 void tlp_stop __P((struct tulip_softc *, int)); 153 int tlp_add_rxbuf __P((struct tulip_softc *, int)); 154 void tlp_idle __P((struct tulip_softc *, u_int32_t)); 155 void tlp_srom_idle __P((struct tulip_softc *)); 156 int tlp_srom_size __P((struct tulip_softc *)); 157 158 int tlp_enable __P((struct tulip_softc *)); 159 void tlp_disable __P((struct tulip_softc *)); 160 void tlp_power __P((int, void *)); 161 162 void tlp_filter_setup __P((struct tulip_softc *)); 163 void tlp_winb_filter_setup __P((struct tulip_softc *)); 164 void tlp_al981_filter_setup __P((struct tulip_softc *)); 165 166 void tlp_rxintr __P((struct tulip_softc *)); 167 void tlp_txintr __P((struct tulip_softc *)); 168 169 void tlp_mii_tick __P((void *)); 170 void tlp_mii_statchg __P((struct device *)); 171 void tlp_winb_mii_statchg __P((struct device *)); 172 173 void tlp_mii_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 174 int tlp_mii_setmedia __P((struct tulip_softc *)); 175 176 int tlp_bitbang_mii_readreg __P((struct device *, int, int)); 177 void tlp_bitbang_mii_writereg __P((struct device *, int, int, int)); 178 179 int tlp_pnic_mii_readreg __P((struct device *, int, int)); 180 void tlp_pnic_mii_writereg __P((struct device *, int, int, int)); 181 182 int tlp_al981_mii_readreg __P((struct device *, int, int)); 183 void tlp_al981_mii_writereg __P((struct device *, int, int, int)); 184 185 void tlp_2114x_preinit __P((struct tulip_softc *)); 186 void tlp_2114x_mii_preinit __P((struct tulip_softc *)); 187 void tlp_pnic_preinit __P((struct tulip_softc *)); 188 189 void tlp_21140_reset __P((struct tulip_softc *)); 190 void tlp_21142_reset __P((struct tulip_softc *)); 191 void tlp_pmac_reset __P((struct tulip_softc *)); 192 193 u_int32_t tlp_crc32 __P((const u_int8_t *, size_t)); 194 #define tlp_mchash(addr, sz) (tlp_crc32((addr), ETHER_ADDR_LEN) & ((sz) - 1)) 195 196 /* 197 * MII bit-bang glue. 198 */ 199 u_int32_t tlp_sio_mii_bitbang_read __P((struct device *)); 200 void tlp_sio_mii_bitbang_write __P((struct device *, u_int32_t)); 201 202 const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = { 203 tlp_sio_mii_bitbang_read, 204 tlp_sio_mii_bitbang_write, 205 { 206 MIIROM_MDO, /* MII_BIT_MDO */ 207 MIIROM_MDI, /* MII_BIT_MDI */ 208 MIIROM_MDC, /* MII_BIT_MDC */ 209 0, /* MII_BIT_DIR_HOST_PHY */ 210 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */ 211 } 212 }; 213 214 #ifdef TLP_DEBUG 215 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \ 216 printf x 217 #else 218 #define DPRINTF(sc, x) /* nothing */ 219 #endif 220 221 #ifdef TLP_STATS 222 void tlp_print_stats __P((struct tulip_softc *)); 223 #endif 224 225 /* 226 * tlp_attach: 227 * 228 * Attach a Tulip interface to the system. 229 */ 230 void 231 tlp_attach(sc, enaddr) 232 struct tulip_softc *sc; 233 const u_int8_t *enaddr; 234 { 235 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 236 int i, error; 237 238 callout_init(&sc->sc_nway_callout); 239 callout_init(&sc->sc_tick_callout); 240 241 /* 242 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift! 243 */ 244 245 /* 246 * Setup the transmit threshold table. 247 */ 248 switch (sc->sc_chip) { 249 case TULIP_CHIP_DE425: 250 case TULIP_CHIP_21040: 251 case TULIP_CHIP_21041: 252 sc->sc_txth = tlp_10_txthresh_tab; 253 break; 254 255 default: 256 sc->sc_txth = tlp_10_100_txthresh_tab; 257 break; 258 } 259 260 /* 261 * Setup the filter setup function. 262 */ 263 switch (sc->sc_chip) { 264 case TULIP_CHIP_WB89C840F: 265 sc->sc_filter_setup = tlp_winb_filter_setup; 266 break; 267 268 case TULIP_CHIP_AL981: 269 sc->sc_filter_setup = tlp_al981_filter_setup; 270 break; 271 272 default: 273 sc->sc_filter_setup = tlp_filter_setup; 274 break; 275 } 276 277 /* 278 * Set up the media status change function. 279 */ 280 switch (sc->sc_chip) { 281 case TULIP_CHIP_WB89C840F: 282 sc->sc_statchg = tlp_winb_mii_statchg; 283 break; 284 285 default: 286 /* 287 * We may override this if we have special media 288 * handling requirements (e.g. flipping GPIO pins). 289 * 290 * The pure-MII statchg function covers the basics. 291 */ 292 sc->sc_statchg = tlp_mii_statchg; 293 break; 294 } 295 296 /* 297 * Set up various chip-specific quirks. 298 * 299 * Note that wherever we can, we use the "ring" option for 300 * transmit and receive descriptors. This is because some 301 * clone chips apparently have problems when using chaining, 302 * although some *only* support chaining. 303 * 304 * What we do is always program the "next" pointer, and then 305 * conditionally set the TDCTL_CH and TDCTL_ER bits in the 306 * appropriate places. 307 */ 308 switch (sc->sc_chip) { 309 case TULIP_CHIP_21140: 310 case TULIP_CHIP_21140A: 311 case TULIP_CHIP_21142: 312 case TULIP_CHIP_21143: 313 case TULIP_CHIP_82C115: /* 21143-like */ 314 case TULIP_CHIP_MX98713: /* 21140-like */ 315 case TULIP_CHIP_MX98713A: /* 21143-like */ 316 case TULIP_CHIP_MX98715: /* 21143-like */ 317 case TULIP_CHIP_MX98715A: /* 21143-like */ 318 case TULIP_CHIP_MX98725: /* 21143-like */ 319 /* 320 * Run these chips in ring mode. 321 */ 322 sc->sc_tdctl_ch = 0; 323 sc->sc_tdctl_er = TDCTL_ER; 324 sc->sc_preinit = tlp_2114x_preinit; 325 break; 326 327 case TULIP_CHIP_82C168: 328 case TULIP_CHIP_82C169: 329 /* 330 * Run these chips in ring mode. 331 */ 332 sc->sc_tdctl_ch = 0; 333 sc->sc_tdctl_er = TDCTL_ER; 334 sc->sc_preinit = tlp_pnic_preinit; 335 336 /* 337 * These chips seem to have busted DMA engines; just put them 338 * in Store-and-Forward mode from the get-go. 339 */ 340 sc->sc_txthresh = TXTH_SF; 341 break; 342 343 case TULIP_CHIP_WB89C840F: 344 /* 345 * Run this chip in chained mode. 346 */ 347 sc->sc_tdctl_ch = TDCTL_CH; 348 sc->sc_tdctl_er = 0; 349 sc->sc_flags |= TULIPF_IC_FS; 350 break; 351 352 default: 353 /* 354 * Default to running in ring mode. 355 */ 356 sc->sc_tdctl_ch = 0; 357 sc->sc_tdctl_er = TDCTL_ER; 358 } 359 360 /* 361 * Set up the MII bit-bang operations. 362 */ 363 switch (sc->sc_chip) { 364 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */ 365 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 366 break; 367 368 default: 369 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops; 370 } 371 372 SIMPLEQ_INIT(&sc->sc_txfreeq); 373 SIMPLEQ_INIT(&sc->sc_txdirtyq); 374 375 /* 376 * Allocate the control data structures, and create and load the 377 * DMA map for it. 378 */ 379 if ((error = bus_dmamem_alloc(sc->sc_dmat, 380 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg, 381 1, &sc->sc_cdnseg, 0)) != 0) { 382 printf("%s: unable to allocate control data, error = %d\n", 383 sc->sc_dev.dv_xname, error); 384 goto fail_0; 385 } 386 387 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg, 388 sizeof(struct tulip_control_data), (caddr_t *)&sc->sc_control_data, 389 BUS_DMA_COHERENT)) != 0) { 390 printf("%s: unable to map control data, error = %d\n", 391 sc->sc_dev.dv_xname, error); 392 goto fail_1; 393 } 394 395 if ((error = bus_dmamap_create(sc->sc_dmat, 396 sizeof(struct tulip_control_data), 1, 397 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) { 398 printf("%s: unable to create control data DMA map, " 399 "error = %d\n", sc->sc_dev.dv_xname, error); 400 goto fail_2; 401 } 402 403 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap, 404 sc->sc_control_data, sizeof(struct tulip_control_data), NULL, 405 0)) != 0) { 406 printf("%s: unable to load control data DMA map, error = %d\n", 407 sc->sc_dev.dv_xname, error); 408 goto fail_3; 409 } 410 411 /* 412 * Create the transmit buffer DMA maps. 413 * 414 * Note that on the Xircom clone, transmit buffers must be 415 * 4-byte aligned. We're almost guaranteed to have to copy 416 * the packet in that case, so we just limit ourselves to 417 * one segment. 418 */ 419 switch (sc->sc_chip) { 420 case TULIP_CHIP_X3201_3: 421 sc->sc_ntxsegs = 1; 422 break; 423 424 default: 425 sc->sc_ntxsegs = TULIP_NTXSEGS; 426 } 427 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 428 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 429 sc->sc_ntxsegs, MCLBYTES, 0, 0, 430 &sc->sc_txsoft[i].txs_dmamap)) != 0) { 431 printf("%s: unable to create tx DMA map %d, " 432 "error = %d\n", sc->sc_dev.dv_xname, i, error); 433 goto fail_4; 434 } 435 } 436 437 /* 438 * Create the recieve buffer DMA maps. 439 */ 440 for (i = 0; i < TULIP_NRXDESC; i++) { 441 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, 442 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) { 443 printf("%s: unable to create rx DMA map %d, " 444 "error = %d\n", sc->sc_dev.dv_xname, i, error); 445 goto fail_5; 446 } 447 sc->sc_rxsoft[i].rxs_mbuf = NULL; 448 } 449 450 /* 451 * From this point forward, the attachment cannot fail. A failure 452 * before this point releases all resources that may have been 453 * allocated. 454 */ 455 sc->sc_flags |= TULIPF_ATTACHED; 456 457 /* 458 * Reset the chip to a known state. 459 */ 460 tlp_reset(sc); 461 462 /* Announce ourselves. */ 463 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname, 464 sc->sc_name[0] != '\0' ? sc->sc_name : "", 465 sc->sc_name[0] != '\0' ? ", " : "", 466 ether_sprintf(enaddr)); 467 468 /* 469 * Initialize our media structures. This may probe the MII, if 470 * present. 471 */ 472 (*sc->sc_mediasw->tmsw_init)(sc); 473 474 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 475 ifp->if_softc = sc; 476 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 477 ifp->if_ioctl = tlp_ioctl; 478 ifp->if_start = tlp_start; 479 ifp->if_watchdog = tlp_watchdog; 480 481 /* 482 * Attach the interface. 483 */ 484 if_attach(ifp); 485 ether_ifattach(ifp, enaddr); 486 #if NBPFILTER > 0 487 bpfattach(&sc->sc_ethercom.ec_if.if_bpf, ifp, DLT_EN10MB, 488 sizeof(struct ether_header)); 489 #endif 490 491 /* 492 * Make sure the interface is shutdown during reboot. 493 */ 494 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc); 495 if (sc->sc_sdhook == NULL) 496 printf("%s: WARNING: unable to establish shutdown hook\n", 497 sc->sc_dev.dv_xname); 498 499 /* 500 * Add a suspend hook to make sure we come back up after a 501 * resume. 502 */ 503 sc->sc_powerhook = powerhook_establish(tlp_power, sc); 504 if (sc->sc_powerhook == NULL) 505 printf("%s: WARNING: unable to establish power hook\n", 506 sc->sc_dev.dv_xname); 507 return; 508 509 /* 510 * Free any resources we've allocated during the failed attach 511 * attempt. Do this in reverse order and fall through. 512 */ 513 fail_5: 514 for (i = 0; i < TULIP_NRXDESC; i++) { 515 if (sc->sc_rxsoft[i].rxs_dmamap != NULL) 516 bus_dmamap_destroy(sc->sc_dmat, 517 sc->sc_rxsoft[i].rxs_dmamap); 518 } 519 fail_4: 520 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 521 if (sc->sc_txsoft[i].txs_dmamap != NULL) 522 bus_dmamap_destroy(sc->sc_dmat, 523 sc->sc_txsoft[i].txs_dmamap); 524 } 525 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 526 fail_3: 527 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 528 fail_2: 529 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 530 sizeof(struct tulip_control_data)); 531 fail_1: 532 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 533 fail_0: 534 return; 535 } 536 537 /* 538 * tlp_activate: 539 * 540 * Handle device activation/deactivation requests. 541 */ 542 int 543 tlp_activate(self, act) 544 struct device *self; 545 enum devact act; 546 { 547 struct tulip_softc *sc = (void *) self; 548 int s, error = 0; 549 550 s = splnet(); 551 switch (act) { 552 case DVACT_ACTIVATE: 553 error = EOPNOTSUPP; 554 break; 555 556 case DVACT_DEACTIVATE: 557 if (sc->sc_flags & TULIPF_HAS_MII) 558 mii_activate(&sc->sc_mii, act, MII_PHY_ANY, 559 MII_OFFSET_ANY); 560 if_deactivate(&sc->sc_ethercom.ec_if); 561 break; 562 } 563 splx(s); 564 565 return (error); 566 } 567 568 /* 569 * tlp_detach: 570 * 571 * Detach a Tulip interface. 572 */ 573 int 574 tlp_detach(sc) 575 struct tulip_softc *sc; 576 { 577 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 578 struct tulip_rxsoft *rxs; 579 struct tulip_txsoft *txs; 580 int i; 581 582 /* 583 * Suceed now if there isn't any work to do. 584 */ 585 if ((sc->sc_flags & TULIPF_ATTACHED) == 0) 586 return (0); 587 588 /* Unhook our tick handler. */ 589 if (sc->sc_tick) 590 callout_stop(&sc->sc_tick_callout); 591 592 if (sc->sc_flags & TULIPF_HAS_MII) { 593 /* Detach all PHYs */ 594 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 595 } 596 597 /* Delete all remaining media. */ 598 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 599 600 #if NBPFILTER > 0 601 bpfdetach(ifp); 602 #endif 603 ether_ifdetach(ifp); 604 if_detach(ifp); 605 606 for (i = 0; i < TULIP_NRXDESC; i++) { 607 rxs = &sc->sc_rxsoft[i]; 608 if (rxs->rxs_mbuf != NULL) { 609 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 610 m_freem(rxs->rxs_mbuf); 611 rxs->rxs_mbuf = NULL; 612 } 613 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap); 614 } 615 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 616 txs = &sc->sc_txsoft[i]; 617 if (txs->txs_mbuf != NULL) { 618 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 619 m_freem(txs->txs_mbuf); 620 txs->txs_mbuf = NULL; 621 } 622 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap); 623 } 624 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap); 625 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap); 626 bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_control_data, 627 sizeof(struct tulip_control_data)); 628 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg); 629 630 shutdownhook_disestablish(sc->sc_sdhook); 631 powerhook_disestablish(sc->sc_powerhook); 632 633 if (sc->sc_srom) 634 free(sc->sc_srom, M_DEVBUF); 635 636 return (0); 637 } 638 639 /* 640 * tlp_shutdown: 641 * 642 * Make sure the interface is stopped at reboot time. 643 */ 644 void 645 tlp_shutdown(arg) 646 void *arg; 647 { 648 struct tulip_softc *sc = arg; 649 650 tlp_stop(sc, 1); 651 } 652 653 /* 654 * tlp_start: [ifnet interface function] 655 * 656 * Start packet transmission on the interface. 657 */ 658 void 659 tlp_start(ifp) 660 struct ifnet *ifp; 661 { 662 struct tulip_softc *sc = ifp->if_softc; 663 struct mbuf *m0, *m; 664 struct tulip_txsoft *txs, *last_txs; 665 bus_dmamap_t dmamap; 666 int error, firsttx, nexttx, lasttx, ofree, seg; 667 668 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n", 669 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags)); 670 671 /* 672 * If we want a filter setup, it means no more descriptors were 673 * available for the setup routine. Let it get a chance to wedge 674 * itself into the ring. 675 */ 676 if (sc->sc_flags & TULIPF_WANT_SETUP) 677 ifp->if_flags |= IFF_OACTIVE; 678 679 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) 680 return; 681 682 /* 683 * Remember the previous number of free descriptors and 684 * the first descriptor we'll use. 685 */ 686 ofree = sc->sc_txfree; 687 firsttx = sc->sc_txnext; 688 689 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n", 690 sc->sc_dev.dv_xname, ofree, firsttx)); 691 692 /* 693 * Loop through the send queue, setting up transmit descriptors 694 * until we drain the queue, or use up all available transmit 695 * descriptors. 696 */ 697 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL && 698 sc->sc_txfree != 0) { 699 /* 700 * Grab a packet off the queue. 701 */ 702 IF_DEQUEUE(&ifp->if_snd, m0); 703 if (m0 == NULL) 704 break; 705 706 dmamap = txs->txs_dmamap; 707 708 /* 709 * Load the DMA map. If this fails, the packet either 710 * didn't fit in the alloted number of segments, or we were 711 * short on resources. In this case, we'll copy and try 712 * again. 713 * 714 * Note that if we're only allowed 1 Tx segment, we 715 * have an alignment restriction. Do this test before 716 * attempting to load the DMA map, because it's more 717 * likely we'll trip the alignment test than the 718 * more-than-one-segment test. 719 */ 720 if ((sc->sc_ntxsegs == 1 && (mtod(m0, bus_addr_t) & 3) != 0) || 721 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0, 722 BUS_DMA_NOWAIT) != 0) { 723 MGETHDR(m, M_DONTWAIT, MT_DATA); 724 if (m == NULL) { 725 printf("%s: unable to allocate Tx mbuf\n", 726 sc->sc_dev.dv_xname); 727 IF_PREPEND(&ifp->if_snd, m0); 728 break; 729 } 730 if (m0->m_pkthdr.len > MHLEN) { 731 MCLGET(m, M_DONTWAIT); 732 if ((m->m_flags & M_EXT) == 0) { 733 printf("%s: unable to allocate Tx " 734 "cluster\n", sc->sc_dev.dv_xname); 735 m_freem(m); 736 IF_PREPEND(&ifp->if_snd, m0); 737 break; 738 } 739 } 740 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, caddr_t)); 741 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len; 742 m_freem(m0); 743 m0 = m; 744 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, 745 m0, BUS_DMA_NOWAIT); 746 if (error) { 747 printf("%s: unable to load Tx buffer, " 748 "error = %d\n", sc->sc_dev.dv_xname, error); 749 IF_PREPEND(&ifp->if_snd, m0); 750 break; 751 } 752 } 753 754 /* 755 * Ensure we have enough descriptors free to describe 756 * the packet. 757 */ 758 if (dmamap->dm_nsegs > sc->sc_txfree) { 759 /* 760 * Not enough free descriptors to transmit this 761 * packet. We haven't committed to anything yet, 762 * so just unload the DMA map, put the packet 763 * back on the queue, and punt. Notify the upper 764 * layer that there are no more slots left. 765 * 766 * XXX We could allocate an mbuf and copy, but 767 * XXX it is worth it? 768 */ 769 ifp->if_flags |= IFF_OACTIVE; 770 bus_dmamap_unload(sc->sc_dmat, dmamap); 771 IF_PREPEND(&ifp->if_snd, m0); 772 break; 773 } 774 775 /* 776 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET. 777 */ 778 779 /* Sync the DMA map. */ 780 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize, 781 BUS_DMASYNC_PREWRITE); 782 783 /* 784 * Initialize the transmit descriptors. 785 */ 786 for (nexttx = sc->sc_txnext, seg = 0; 787 seg < dmamap->dm_nsegs; 788 seg++, nexttx = TULIP_NEXTTX(nexttx)) { 789 /* 790 * If this is the first descriptor we're 791 * enqueueing, don't set the OWN bit just 792 * yet. That could cause a race condition. 793 * We'll do it below. 794 */ 795 sc->sc_txdescs[nexttx].td_status = 796 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN); 797 sc->sc_txdescs[nexttx].td_bufaddr1 = 798 htole32(dmamap->dm_segs[seg].ds_addr); 799 sc->sc_txdescs[nexttx].td_ctl = 800 htole32((dmamap->dm_segs[seg].ds_len << 801 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch | 802 (nexttx == (TULIP_NTXDESC - 1) ? 803 sc->sc_tdctl_er : 0)); 804 lasttx = nexttx; 805 } 806 807 /* Set `first segment' and `last segment' appropriately. */ 808 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS); 809 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS); 810 811 #ifdef TLP_DEBUG 812 if (ifp->if_flags & IFF_DEBUG) { 813 printf(" txsoft %p trainsmit chain:\n", txs); 814 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) { 815 printf(" descriptor %d:\n", seg); 816 printf(" td_status: 0x%08x\n", 817 le32toh(sc->sc_txdescs[seg].td_status)); 818 printf(" td_ctl: 0x%08x\n", 819 le32toh(sc->sc_txdescs[seg].td_ctl)); 820 printf(" td_bufaddr1: 0x%08x\n", 821 le32toh(sc->sc_txdescs[seg].td_bufaddr1)); 822 printf(" td_bufaddr2: 0x%08x\n", 823 le32toh(sc->sc_txdescs[seg].td_bufaddr2)); 824 if (seg == lasttx) 825 break; 826 } 827 } 828 #endif 829 830 /* Sync the descriptors we're using. */ 831 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs, 832 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 833 834 /* 835 * Store a pointer to the packet so we can free it later, 836 * and remember what txdirty will be once the packet is 837 * done. 838 */ 839 txs->txs_mbuf = m0; 840 txs->txs_firstdesc = sc->sc_txnext; 841 txs->txs_lastdesc = lasttx; 842 txs->txs_ndescs = dmamap->dm_nsegs; 843 844 /* Advance the tx pointer. */ 845 sc->sc_txfree -= dmamap->dm_nsegs; 846 sc->sc_txnext = nexttx; 847 848 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 849 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 850 851 last_txs = txs; 852 853 #if NBPFILTER > 0 854 /* 855 * Pass the packet to any BPF listeners. 856 */ 857 if (ifp->if_bpf) 858 bpf_mtap(ifp->if_bpf, m0); 859 #endif /* NBPFILTER > 0 */ 860 } 861 862 if (txs == NULL || sc->sc_txfree == 0) { 863 /* No more slots left; notify upper layer. */ 864 ifp->if_flags |= IFF_OACTIVE; 865 } 866 867 if (sc->sc_txfree != ofree) { 868 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n", 869 sc->sc_dev.dv_xname, lasttx, firsttx)); 870 /* 871 * Cause a transmit interrupt to happen on the 872 * last packet we enqueued. 873 */ 874 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC); 875 TULIP_CDTXSYNC(sc, lasttx, 1, 876 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 877 878 /* 879 * Some clone chips want IC on the *first* segment in 880 * the packet. Appease them. 881 */ 882 if ((sc->sc_flags & TULIPF_IC_FS) != 0 && 883 last_txs->txs_firstdesc != lasttx) { 884 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |= 885 htole32(TDCTL_Tx_IC); 886 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1, 887 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 888 } 889 890 /* 891 * The entire packet chain is set up. Give the 892 * first descriptor to the chip now. 893 */ 894 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN); 895 TULIP_CDTXSYNC(sc, firsttx, 1, 896 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 897 898 /* Wake up the transmitter. */ 899 /* XXX USE AUTOPOLLING? */ 900 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 901 902 /* Set a watchdog timer in case the chip flakes out. */ 903 ifp->if_timer = 5; 904 } 905 } 906 907 /* 908 * tlp_watchdog: [ifnet interface function] 909 * 910 * Watchdog timer handler. 911 */ 912 void 913 tlp_watchdog(ifp) 914 struct ifnet *ifp; 915 { 916 struct tulip_softc *sc = ifp->if_softc; 917 int doing_setup, doing_transmit; 918 919 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP); 920 doing_transmit = (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL); 921 922 if (doing_setup && doing_transmit) { 923 printf("%s: filter setup and transmit timeout\n", 924 sc->sc_dev.dv_xname); 925 ifp->if_oerrors++; 926 } else if (doing_transmit) { 927 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname); 928 ifp->if_oerrors++; 929 } else if (doing_setup) 930 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname); 931 else 932 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname); 933 934 (void) tlp_init(sc); 935 936 /* Try to get more packets going. */ 937 tlp_start(ifp); 938 } 939 940 /* 941 * tlp_ioctl: [ifnet interface function] 942 * 943 * Handle control requests from the operator. 944 */ 945 int 946 tlp_ioctl(ifp, cmd, data) 947 struct ifnet *ifp; 948 u_long cmd; 949 caddr_t data; 950 { 951 struct tulip_softc *sc = ifp->if_softc; 952 struct ifreq *ifr = (struct ifreq *)data; 953 struct ifaddr *ifa = (struct ifaddr *)data; 954 int s, error = 0; 955 956 s = splnet(); 957 958 switch (cmd) { 959 case SIOCSIFADDR: 960 if ((error = tlp_enable(sc)) != 0) 961 break; 962 ifp->if_flags |= IFF_UP; 963 964 switch (ifa->ifa_addr->sa_family) { 965 #ifdef INET 966 case AF_INET: 967 if ((error = tlp_init(sc)) != 0) 968 break; 969 arp_ifinit(ifp, ifa); 970 break; 971 #endif /* INET */ 972 #ifdef NS 973 case AF_NS: 974 { 975 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 976 977 if (ns_nullhost(*ina)) 978 ina->x_host = *(union ns_host *) 979 LLADDR(ifp->if_sadl); 980 else 981 bcopy(ina->x_host.c_host, LLADDR(ifp->if_sadl), 982 ifp->if_addrlen); 983 /* Set new address. */ 984 error = tlp_init(sc); 985 break; 986 } 987 #endif /* NS */ 988 default: 989 error = tlp_init(sc); 990 break; 991 } 992 break; 993 994 case SIOCSIFMTU: 995 if (ifr->ifr_mtu > ETHERMTU) 996 error = EINVAL; 997 else 998 ifp->if_mtu = ifr->ifr_mtu; 999 break; 1000 1001 case SIOCSIFFLAGS: 1002 #ifdef TLP_STATS 1003 if (ifp->if_flags & IFF_DEBUG) 1004 tlp_print_stats(sc); 1005 #endif 1006 if ((ifp->if_flags & IFF_UP) == 0 && 1007 (ifp->if_flags & IFF_RUNNING) != 0) { 1008 /* 1009 * If interface is marked down and it is running, then 1010 * stop it. 1011 */ 1012 tlp_stop(sc, 1); 1013 tlp_disable(sc); 1014 } else if ((ifp->if_flags & IFF_UP) != 0 && 1015 (ifp->if_flags & IFF_RUNNING) == 0) { 1016 /* 1017 * If interfase it marked up and it is stopped, then 1018 * start it. 1019 */ 1020 if ((error = tlp_enable(sc)) != 0) 1021 break; 1022 error = tlp_init(sc); 1023 } else if ((ifp->if_flags & IFF_UP) != 0) { 1024 /* 1025 * Reset the interface to pick up changes in any other 1026 * flags that affect the hardware state. 1027 */ 1028 if ((error = tlp_enable(sc)) != 0) 1029 break; 1030 error = tlp_init(sc); 1031 } 1032 break; 1033 1034 case SIOCADDMULTI: 1035 case SIOCDELMULTI: 1036 error = (cmd == SIOCADDMULTI) ? 1037 ether_addmulti(ifr, &sc->sc_ethercom) : 1038 ether_delmulti(ifr, &sc->sc_ethercom); 1039 1040 if (TULIP_IS_ENABLED(sc) && error == ENETRESET) { 1041 /* 1042 * Multicast list has changed. Set the filter 1043 * accordingly. 1044 */ 1045 (*sc->sc_filter_setup)(sc); 1046 error = 0; 1047 } 1048 break; 1049 1050 case SIOCSIFMEDIA: 1051 case SIOCGIFMEDIA: 1052 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd); 1053 break; 1054 1055 default: 1056 error = EINVAL; 1057 break; 1058 } 1059 1060 /* Try to get more packets going. */ 1061 if (TULIP_IS_ENABLED(sc)) 1062 tlp_start(ifp); 1063 1064 splx(s); 1065 return (error); 1066 } 1067 1068 /* 1069 * tlp_intr: 1070 * 1071 * Interrupt service routine. 1072 */ 1073 int 1074 tlp_intr(arg) 1075 void *arg; 1076 { 1077 struct tulip_softc *sc = arg; 1078 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1079 u_int32_t status, rxstatus, txstatus; 1080 int handled = 0, txthresh; 1081 1082 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname)); 1083 1084 #ifdef DEBUG 1085 if (TULIP_IS_ENABLED(sc) == 0) 1086 panic("%s: tlp_intr: not enabled\n", sc->sc_dev.dv_xname); 1087 #endif 1088 1089 /* 1090 * If the interface isn't running, the interrupt couldn't 1091 * possibly have come from us. 1092 */ 1093 if ((ifp->if_flags & IFF_RUNNING) == 0 || 1094 (sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 1095 return (0); 1096 1097 for (;;) { 1098 status = TULIP_READ(sc, CSR_STATUS); 1099 if (status) 1100 TULIP_WRITE(sc, CSR_STATUS, status); 1101 1102 if ((status & sc->sc_inten) == 0) 1103 break; 1104 1105 handled = 1; 1106 1107 rxstatus = status & sc->sc_rxint_mask; 1108 txstatus = status & sc->sc_txint_mask; 1109 1110 if (rxstatus) { 1111 /* Grab new any new packets. */ 1112 tlp_rxintr(sc); 1113 1114 if (rxstatus & STATUS_RWT) 1115 printf("%s: receive watchdog timeout\n", 1116 sc->sc_dev.dv_xname); 1117 1118 if (rxstatus & STATUS_RU) { 1119 printf("%s: receive ring overrun\n", 1120 sc->sc_dev.dv_xname); 1121 /* Get the receive process going again. */ 1122 tlp_idle(sc, OPMODE_SR); 1123 TULIP_WRITE(sc, CSR_RXLIST, 1124 TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1125 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 1126 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1127 break; 1128 } 1129 } 1130 1131 if (txstatus) { 1132 /* Sweep up transmit descriptors. */ 1133 tlp_txintr(sc); 1134 1135 if (txstatus & STATUS_TJT) 1136 printf("%s: transmit jabber timeout\n", 1137 sc->sc_dev.dv_xname); 1138 1139 if (txstatus & STATUS_UNF) { 1140 /* 1141 * Increase our transmit threshold if 1142 * another is available. 1143 */ 1144 txthresh = sc->sc_txthresh + 1; 1145 if (sc->sc_txth[txthresh].txth_name != NULL) { 1146 /* Idle the transmit process. */ 1147 tlp_idle(sc, OPMODE_ST); 1148 1149 sc->sc_txthresh = txthresh; 1150 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF); 1151 sc->sc_opmode |= 1152 sc->sc_txth[txthresh].txth_opmode; 1153 printf("%s: transmit underrun; new " 1154 "threshold: %s\n", 1155 sc->sc_dev.dv_xname, 1156 sc->sc_txth[txthresh].txth_name); 1157 1158 /* 1159 * Set the new threshold and restart 1160 * the transmit process. 1161 */ 1162 TULIP_WRITE(sc, CSR_OPMODE, 1163 sc->sc_opmode); 1164 } 1165 /* 1166 * XXX Log every Nth underrun from 1167 * XXX now on? 1168 */ 1169 } 1170 } 1171 1172 if (status & (STATUS_TPS|STATUS_RPS)) { 1173 if (status & STATUS_TPS) 1174 printf("%s: transmit process stopped\n", 1175 sc->sc_dev.dv_xname); 1176 if (status & STATUS_RPS) 1177 printf("%s: receive process stopped\n", 1178 sc->sc_dev.dv_xname); 1179 (void) tlp_init(sc); 1180 break; 1181 } 1182 1183 if (status & STATUS_SE) { 1184 const char *str; 1185 switch (status & STATUS_EB) { 1186 case STATUS_EB_PARITY: 1187 str = "parity error"; 1188 break; 1189 1190 case STATUS_EB_MABT: 1191 str = "master abort"; 1192 break; 1193 1194 case STATUS_EB_TABT: 1195 str = "target abort"; 1196 break; 1197 1198 default: 1199 str = "unknown error"; 1200 break; 1201 } 1202 printf("%s: fatal system error: %s\n", 1203 sc->sc_dev.dv_xname, str); 1204 (void) tlp_init(sc); 1205 break; 1206 } 1207 1208 /* 1209 * Not handled: 1210 * 1211 * Transmit buffer unavailable -- normal 1212 * condition, nothing to do, really. 1213 * 1214 * General purpose timer experied -- we don't 1215 * use the general purpose timer. 1216 * 1217 * Early receive interrupt -- not available on 1218 * all chips, we just use RI. We also only 1219 * use single-segment receive DMA, so this 1220 * is mostly useless. 1221 */ 1222 } 1223 1224 /* Try to get more packets going. */ 1225 tlp_start(ifp); 1226 1227 return (handled); 1228 } 1229 1230 /* 1231 * tlp_rxintr: 1232 * 1233 * Helper; handle receive interrupts. 1234 */ 1235 void 1236 tlp_rxintr(sc) 1237 struct tulip_softc *sc; 1238 { 1239 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1240 struct ether_header *eh; 1241 struct tulip_rxsoft *rxs; 1242 struct mbuf *m; 1243 u_int32_t rxstat; 1244 int i, len; 1245 1246 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) { 1247 rxs = &sc->sc_rxsoft[i]; 1248 1249 TULIP_CDRXSYNC(sc, i, 1250 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1251 1252 rxstat = le32toh(sc->sc_rxdescs[i].td_status); 1253 1254 if (rxstat & TDSTAT_OWN) { 1255 /* 1256 * We have processed all of the receive buffers. 1257 */ 1258 break; 1259 } 1260 1261 /* 1262 * Make sure the packet fit in one buffer. This should 1263 * always be the case. But the Lite-On PNIC, rev 33 1264 * has an awful receive engine bug, which may require 1265 * a very icky work-around. 1266 */ 1267 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) != 1268 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) { 1269 printf("%s: incoming packet spilled, resetting\n", 1270 sc->sc_dev.dv_xname); 1271 (void) tlp_init(sc); 1272 return; 1273 } 1274 1275 /* 1276 * If any collisions were seen on the wire, count one. 1277 */ 1278 if (rxstat & TDSTAT_Rx_CS) 1279 ifp->if_collisions++; 1280 1281 /* 1282 * If an error occured, update stats, clear the status 1283 * word, and leave the packet buffer in place. It will 1284 * simply be reused the next time the ring comes around. 1285 */ 1286 if (rxstat & TDSTAT_ES) { 1287 #define PRINTERR(bit, str) \ 1288 if (rxstat & (bit)) \ 1289 printf("%s: receive error: %s\n", \ 1290 sc->sc_dev.dv_xname, str) 1291 ifp->if_ierrors++; 1292 PRINTERR(TDSTAT_Rx_DE, "descriptor error"); 1293 PRINTERR(TDSTAT_Rx_RF, "runt frame"); 1294 PRINTERR(TDSTAT_Rx_TL, "frame too long"); 1295 PRINTERR(TDSTAT_Rx_RE, "MII error"); 1296 PRINTERR(TDSTAT_Rx_DB, "dribbling bit"); 1297 PRINTERR(TDSTAT_Rx_CE, "CRC error"); 1298 #undef PRINTERR 1299 TULIP_INIT_RXDESC(sc, i); 1300 continue; 1301 } 1302 1303 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1304 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD); 1305 1306 /* 1307 * No errors; receive the packet. Note the Tulip 1308 * includes the CRC with every packet; trim it. 1309 */ 1310 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN; 1311 1312 #ifdef __NO_STRICT_ALIGNMENT 1313 /* 1314 * Allocate a new mbuf cluster. If that fails, we are 1315 * out of memory, and must drop the packet and recycle 1316 * the buffer that's already attached to this descriptor. 1317 */ 1318 m = rxs->rxs_mbuf; 1319 if (tlp_add_rxbuf(sc, i) != 0) { 1320 ifp->if_ierrors++; 1321 TULIP_INIT_RXDESC(sc, i); 1322 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1323 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1324 continue; 1325 } 1326 #else 1327 /* 1328 * The Tulip's receive buffers must be 4-byte aligned. 1329 * But this means that the data after the Ethernet header 1330 * is misaligned. We must allocate a new buffer and 1331 * copy the data, shifted forward 2 bytes. 1332 */ 1333 MGETHDR(m, M_DONTWAIT, MT_DATA); 1334 if (m == NULL) { 1335 dropit: 1336 ifp->if_ierrors++; 1337 TULIP_INIT_RXDESC(sc, i); 1338 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1339 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1340 continue; 1341 } 1342 if (len > (MHLEN - 2)) { 1343 MCLGET(m, M_DONTWAIT); 1344 if ((m->m_flags & M_EXT) == 0) { 1345 m_freem(m); 1346 goto dropit; 1347 } 1348 } 1349 m->m_data += 2; 1350 1351 /* 1352 * Note that we use clusters for incoming frames, so the 1353 * buffer is virtually contiguous. 1354 */ 1355 memcpy(mtod(m, caddr_t), mtod(rxs->rxs_mbuf, caddr_t), len); 1356 1357 /* Allow the receive descriptor to continue using its mbuf. */ 1358 TULIP_INIT_RXDESC(sc, i); 1359 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 1360 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 1361 #endif /* __NO_STRICT_ALIGNMENT */ 1362 1363 ifp->if_ipackets++; 1364 eh = mtod(m, struct ether_header *); 1365 m->m_pkthdr.rcvif = ifp; 1366 m->m_pkthdr.len = m->m_len = len; 1367 1368 #if NBPFILTER > 0 1369 /* 1370 * Pass this up to any BPF listeners, but only 1371 * pass it up the stack if its for us. 1372 */ 1373 if (ifp->if_bpf) 1374 bpf_mtap(ifp->if_bpf, m); 1375 #endif /* NPBFILTER > 0 */ 1376 1377 /* 1378 * This test is outside the NBPFILTER block because 1379 * on the 21140 we have to use Hash-Only mode due to 1380 * a bug in the filter logic. 1381 */ 1382 if ((ifp->if_flags & IFF_PROMISC) != 0 || 1383 sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 1384 if (memcmp(LLADDR(ifp->if_sadl), eh->ether_dhost, 1385 ETHER_ADDR_LEN) != 0 && 1386 ETHER_IS_MULTICAST(eh->ether_dhost) == 0) { 1387 m_freem(m); 1388 continue; 1389 } 1390 } 1391 1392 /* Pass it on. */ 1393 (*ifp->if_input)(ifp, m); 1394 } 1395 1396 /* Update the recieve pointer. */ 1397 sc->sc_rxptr = i; 1398 } 1399 1400 /* 1401 * tlp_txintr: 1402 * 1403 * Helper; handle transmit interrupts. 1404 */ 1405 void 1406 tlp_txintr(sc) 1407 struct tulip_softc *sc; 1408 { 1409 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1410 struct tulip_txsoft *txs; 1411 u_int32_t txstat; 1412 1413 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n", 1414 sc->sc_dev.dv_xname, sc->sc_flags)); 1415 1416 ifp->if_flags &= ~IFF_OACTIVE; 1417 1418 /* 1419 * Go through our Tx list and free mbufs for those 1420 * frames that have been transmitted. 1421 */ 1422 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1423 TULIP_CDTXSYNC(sc, txs->txs_lastdesc, 1424 txs->txs_ndescs, 1425 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 1426 1427 #ifdef TLP_DEBUG 1428 if (ifp->if_flags & IFF_DEBUG) { 1429 int i; 1430 printf(" txsoft %p trainsmit chain:\n", txs); 1431 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) { 1432 printf(" descriptor %d:\n", i); 1433 printf(" td_status: 0x%08x\n", 1434 le32toh(sc->sc_txdescs[i].td_status)); 1435 printf(" td_ctl: 0x%08x\n", 1436 le32toh(sc->sc_txdescs[i].td_ctl)); 1437 printf(" td_bufaddr1: 0x%08x\n", 1438 le32toh(sc->sc_txdescs[i].td_bufaddr1)); 1439 printf(" td_bufaddr2: 0x%08x\n", 1440 le32toh(sc->sc_txdescs[i].td_bufaddr2)); 1441 if (i == txs->txs_lastdesc) 1442 break; 1443 } 1444 } 1445 #endif 1446 1447 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status); 1448 if (txstat & TDSTAT_OWN) 1449 break; 1450 1451 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1452 1453 sc->sc_txfree += txs->txs_ndescs; 1454 1455 if (txs->txs_mbuf == NULL) { 1456 /* 1457 * If we didn't have an mbuf, it was the setup 1458 * packet. 1459 */ 1460 #ifdef DIAGNOSTIC 1461 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1462 panic("tlp_txintr: null mbuf, not doing setup"); 1463 #endif 1464 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE); 1465 sc->sc_flags &= ~TULIPF_DOING_SETUP; 1466 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1467 continue; 1468 } 1469 1470 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap, 1471 0, txs->txs_dmamap->dm_mapsize, 1472 BUS_DMASYNC_POSTWRITE); 1473 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1474 m_freem(txs->txs_mbuf); 1475 txs->txs_mbuf = NULL; 1476 1477 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1478 1479 /* 1480 * Check for errors and collisions. 1481 */ 1482 #ifdef TLP_STATS 1483 if (txstat & TDSTAT_Tx_UF) 1484 sc->sc_stats.ts_tx_uf++; 1485 if (txstat & TDSTAT_Tx_TO) 1486 sc->sc_stats.ts_tx_to++; 1487 if (txstat & TDSTAT_Tx_EC) 1488 sc->sc_stats.ts_tx_ec++; 1489 if (txstat & TDSTAT_Tx_LC) 1490 sc->sc_stats.ts_tx_lc++; 1491 #endif 1492 1493 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO)) 1494 ifp->if_oerrors++; 1495 1496 if (txstat & TDSTAT_Tx_EC) 1497 ifp->if_collisions += 16; 1498 else 1499 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat); 1500 if (txstat & TDSTAT_Tx_LC) 1501 ifp->if_collisions++; 1502 1503 ifp->if_opackets++; 1504 } 1505 1506 /* 1507 * If there are no more pending transmissions, cancel the watchdog 1508 * timer. 1509 */ 1510 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0) 1511 ifp->if_timer = 0; 1512 1513 /* 1514 * If we have a receive filter setup pending, do it now. 1515 */ 1516 if (sc->sc_flags & TULIPF_WANT_SETUP) 1517 (*sc->sc_filter_setup)(sc); 1518 } 1519 1520 #ifdef TLP_STATS 1521 void 1522 tlp_print_stats(sc) 1523 struct tulip_softc *sc; 1524 { 1525 1526 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n", 1527 sc->sc_dev.dv_xname, 1528 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to, 1529 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc); 1530 } 1531 #endif 1532 1533 /* 1534 * tlp_reset: 1535 * 1536 * Perform a soft reset on the Tulip. 1537 */ 1538 void 1539 tlp_reset(sc) 1540 struct tulip_softc *sc; 1541 { 1542 int i; 1543 1544 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR); 1545 1546 /* 1547 * Xircom clone doesn't bring itself out of reset automatically. 1548 * Instead, we have to wait at least 50 PCI cycles, and then 1549 * clear SWR. 1550 */ 1551 if (sc->sc_chip == TULIP_CHIP_X3201_3) { 1552 delay(10); 1553 TULIP_WRITE(sc, CSR_BUSMODE, 0); 1554 } 1555 1556 for (i = 0; i < 1000; i++) { 1557 /* 1558 * Wait at least 50 PCI cycles for the reset to 1559 * complete before peeking at the Tulip again. 1560 * 10 uSec is a bit longer than 50 PCI cycles 1561 * (at 33MHz), but it doesn't hurt have the extra 1562 * wait. 1563 */ 1564 delay(10); 1565 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0) 1566 break; 1567 } 1568 1569 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR)) 1570 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname); 1571 1572 delay(1000); 1573 1574 /* 1575 * If the board has any GPIO reset sequences to issue, do them now. 1576 */ 1577 if (sc->sc_reset != NULL) 1578 (*sc->sc_reset)(sc); 1579 } 1580 1581 /* 1582 * tlp_init: 1583 * 1584 * Initialize the interface. Must be called at splnet(). 1585 */ 1586 int 1587 tlp_init(sc) 1588 struct tulip_softc *sc; 1589 { 1590 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1591 struct tulip_txsoft *txs; 1592 struct tulip_rxsoft *rxs; 1593 int i, error = 0; 1594 1595 /* 1596 * Cancel any pending I/O. 1597 */ 1598 tlp_stop(sc, 0); 1599 1600 /* 1601 * Initialize `opmode' to 0, and call the pre-init routine, if 1602 * any. This is required because the 2114x and some of the 1603 * clones require that the media-related bits in `opmode' be 1604 * set before performing a soft-reset in order to get internal 1605 * chip pathways are correct. Yay! 1606 */ 1607 sc->sc_opmode = 0; 1608 if (sc->sc_preinit != NULL) 1609 (*sc->sc_preinit)(sc); 1610 1611 /* 1612 * Reset the Tulip to a known state. 1613 */ 1614 tlp_reset(sc); 1615 1616 /* 1617 * Initialize the BUSMODE register. 1618 */ 1619 sc->sc_busmode = BUSMODE_BAR; 1620 switch (sc->sc_chip) { 1621 case TULIP_CHIP_21140: 1622 case TULIP_CHIP_21140A: 1623 case TULIP_CHIP_21142: 1624 case TULIP_CHIP_21143: 1625 case TULIP_CHIP_82C115: 1626 case TULIP_CHIP_MX98725: 1627 /* 1628 * If we're allowed to do so, use Memory Read Line 1629 * and Memory Read Multiple. 1630 * 1631 * XXX Should we use Memory Write and Invalidate? 1632 */ 1633 if (sc->sc_flags & TULIPF_MRL) 1634 sc->sc_busmode |= BUSMODE_RLE; 1635 if (sc->sc_flags & TULIPF_MRM) 1636 sc->sc_busmode |= BUSMODE_RME; 1637 #if 0 1638 if (sc->sc_flags & TULIPF_MWI) 1639 sc->sc_busmode |= BUSMODE_WLE; 1640 #endif 1641 1642 default: 1643 /* Nothing. */ 1644 } 1645 switch (sc->sc_cacheline) { 1646 default: 1647 /* 1648 * Note: We must *always* set these bits; a cache 1649 * alignment of 0 is RESERVED. 1650 */ 1651 case 8: 1652 sc->sc_busmode |= BUSMODE_CAL_8LW; 1653 break; 1654 case 16: 1655 sc->sc_busmode |= BUSMODE_CAL_16LW; 1656 break; 1657 case 32: 1658 sc->sc_busmode |= BUSMODE_CAL_32LW; 1659 break; 1660 } 1661 switch (sc->sc_chip) { 1662 case TULIP_CHIP_82C168: 1663 case TULIP_CHIP_82C169: 1664 sc->sc_busmode |= BUSMODE_PBL_16LW | BUSMODE_PNIC_MBO; 1665 break; 1666 default: 1667 sc->sc_busmode |= BUSMODE_PBL_DEFAULT; 1668 break; 1669 } 1670 #if BYTE_ORDER == BIG_ENDIAN 1671 /* 1672 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips 1673 * support them, and even on ones that do, it doesn't 1674 * always work. 1675 */ 1676 #endif 1677 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode); 1678 1679 /* 1680 * Initialize the OPMODE register. We don't write it until 1681 * we're ready to begin the transmit and receive processes. 1682 * 1683 * Media-related OPMODE bits are set in the media callbacks 1684 * for each specific chip/board. 1685 */ 1686 sc->sc_opmode |= OPMODE_SR | OPMODE_ST | 1687 sc->sc_txth[sc->sc_txthresh].txth_opmode; 1688 1689 /* 1690 * Magical mystery initialization on the Macronix chips. 1691 * The MX98713 uses its own magic value, the rest share 1692 * a common one. 1693 */ 1694 switch (sc->sc_chip) { 1695 case TULIP_CHIP_MX98713: 1696 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713); 1697 break; 1698 1699 case TULIP_CHIP_MX98713A: 1700 case TULIP_CHIP_MX98715: 1701 case TULIP_CHIP_MX98715A: 1702 case TULIP_CHIP_MX98725: 1703 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715); 1704 break; 1705 1706 default: 1707 /* Nothing. */ 1708 } 1709 1710 /* 1711 * Initialize the transmit descriptor ring. 1712 */ 1713 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs)); 1714 for (i = 0; i < TULIP_NTXDESC; i++) { 1715 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch); 1716 sc->sc_txdescs[i].td_bufaddr2 = 1717 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i))); 1718 } 1719 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er); 1720 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC, 1721 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 1722 sc->sc_txfree = TULIP_NTXDESC; 1723 sc->sc_txnext = 0; 1724 1725 /* 1726 * Initialize the transmit job descriptors. 1727 */ 1728 SIMPLEQ_INIT(&sc->sc_txfreeq); 1729 SIMPLEQ_INIT(&sc->sc_txdirtyq); 1730 for (i = 0; i < TULIP_TXQUEUELEN; i++) { 1731 txs = &sc->sc_txsoft[i]; 1732 txs->txs_mbuf = NULL; 1733 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1734 } 1735 1736 /* 1737 * Initialize the receive descriptor and receive job 1738 * descriptor rings. 1739 */ 1740 for (i = 0; i < TULIP_NRXDESC; i++) { 1741 rxs = &sc->sc_rxsoft[i]; 1742 if (rxs->rxs_mbuf == NULL) { 1743 if ((error = tlp_add_rxbuf(sc, i)) != 0) { 1744 printf("%s: unable to allocate or map rx " 1745 "buffer %d, error = %d\n", 1746 sc->sc_dev.dv_xname, i, error); 1747 /* 1748 * XXX Should attempt to run with fewer receive 1749 * XXX buffers instead of just failing. 1750 */ 1751 tlp_rxdrain(sc); 1752 goto out; 1753 } 1754 } 1755 } 1756 sc->sc_rxptr = 0; 1757 1758 /* 1759 * Initialize the interrupt mask and enable interrupts. 1760 */ 1761 /* normal interrupts */ 1762 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS; 1763 1764 /* abnormal interrupts */ 1765 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF | 1766 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS; 1767 1768 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT; 1769 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT; 1770 1771 switch (sc->sc_chip) { 1772 case TULIP_CHIP_WB89C840F: 1773 /* 1774 * Clear bits that we don't want that happen to 1775 * overlap or don't exist. 1776 */ 1777 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT); 1778 break; 1779 1780 default: 1781 /* Nothing. */ 1782 } 1783 1784 sc->sc_rxint_mask &= sc->sc_inten; 1785 sc->sc_txint_mask &= sc->sc_inten; 1786 1787 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten); 1788 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff); 1789 1790 /* 1791 * Give the transmit and receive rings to the Tulip. 1792 */ 1793 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext)); 1794 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr)); 1795 1796 /* 1797 * On chips that do this differently, set the station address. 1798 */ 1799 switch (sc->sc_chip) { 1800 case TULIP_CHIP_WB89C840F: 1801 { 1802 /* XXX Do this with stream writes? */ 1803 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0); 1804 1805 for (i = 0; i < ETHER_ADDR_LEN; i++) { 1806 bus_space_write_1(sc->sc_st, sc->sc_sh, 1807 cpa + i, LLADDR(ifp->if_sadl)[i]); 1808 } 1809 break; 1810 } 1811 1812 case TULIP_CHIP_AL981: 1813 { 1814 u_int32_t reg; 1815 u_int8_t *enaddr = LLADDR(ifp->if_sadl); 1816 1817 reg = enaddr[0] | 1818 (enaddr[1] << 8) | 1819 (enaddr[2] << 16) | 1820 (enaddr[3] << 24); 1821 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg); 1822 1823 reg = enaddr[4] | 1824 (enaddr[5] << 8); 1825 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg); 1826 } 1827 1828 default: 1829 /* Nothing. */ 1830 } 1831 1832 /* 1833 * Set the receive filter. This will start the transmit and 1834 * receive processes. 1835 */ 1836 (*sc->sc_filter_setup)(sc); 1837 1838 /* 1839 * Set the current media. 1840 */ 1841 (void) (*sc->sc_mediasw->tmsw_set)(sc); 1842 1843 /* 1844 * Start the receive process. 1845 */ 1846 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD); 1847 1848 if (sc->sc_tick != NULL) { 1849 /* Start the one second clock. */ 1850 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 1851 } 1852 1853 /* 1854 * Note that the interface is now running. 1855 */ 1856 ifp->if_flags |= IFF_RUNNING; 1857 ifp->if_flags &= ~IFF_OACTIVE; 1858 1859 out: 1860 if (error) 1861 printf("%s: interface not running\n", sc->sc_dev.dv_xname); 1862 return (error); 1863 } 1864 1865 /* 1866 * tlp_enable: 1867 * 1868 * Enable the Tulip chip. 1869 */ 1870 int 1871 tlp_enable(sc) 1872 struct tulip_softc *sc; 1873 { 1874 1875 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) { 1876 if ((*sc->sc_enable)(sc) != 0) { 1877 printf("%s: device enable failed\n", 1878 sc->sc_dev.dv_xname); 1879 return (EIO); 1880 } 1881 sc->sc_flags |= TULIPF_ENABLED; 1882 } 1883 return (0); 1884 } 1885 1886 /* 1887 * tlp_disable: 1888 * 1889 * Disable the Tulip chip. 1890 */ 1891 void 1892 tlp_disable(sc) 1893 struct tulip_softc *sc; 1894 { 1895 1896 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) { 1897 (*sc->sc_disable)(sc); 1898 sc->sc_flags &= ~TULIPF_ENABLED; 1899 } 1900 } 1901 1902 /* 1903 * tlp_power: 1904 * 1905 * Power management (suspend/resume) hook. 1906 */ 1907 void 1908 tlp_power(why, arg) 1909 int why; 1910 void *arg; 1911 { 1912 struct tulip_softc *sc = arg; 1913 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1914 int s; 1915 1916 s = splnet(); 1917 if (why != PWR_RESUME) { 1918 tlp_stop(sc, 0); 1919 if (sc->sc_power != NULL) 1920 (*sc->sc_power)(sc, why); 1921 } else if (ifp->if_flags & IFF_UP) { 1922 if (sc->sc_power != NULL) 1923 (*sc->sc_power)(sc, why); 1924 tlp_init(sc); 1925 } 1926 splx(s); 1927 } 1928 1929 /* 1930 * tlp_rxdrain: 1931 * 1932 * Drain the receive queue. 1933 */ 1934 void 1935 tlp_rxdrain(sc) 1936 struct tulip_softc *sc; 1937 { 1938 struct tulip_rxsoft *rxs; 1939 int i; 1940 1941 for (i = 0; i < TULIP_NRXDESC; i++) { 1942 rxs = &sc->sc_rxsoft[i]; 1943 if (rxs->rxs_mbuf != NULL) { 1944 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 1945 m_freem(rxs->rxs_mbuf); 1946 rxs->rxs_mbuf = NULL; 1947 } 1948 } 1949 } 1950 1951 /* 1952 * tlp_stop: 1953 * 1954 * Stop transmission on the interface. 1955 */ 1956 void 1957 tlp_stop(sc, drain) 1958 struct tulip_softc *sc; 1959 int drain; 1960 { 1961 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 1962 struct tulip_txsoft *txs; 1963 1964 if (sc->sc_tick != NULL) { 1965 /* Stop the one second clock. */ 1966 callout_stop(&sc->sc_tick_callout); 1967 } 1968 1969 if (sc->sc_flags & TULIPF_HAS_MII) { 1970 /* Down the MII. */ 1971 mii_down(&sc->sc_mii); 1972 } 1973 1974 /* Disable interrupts. */ 1975 TULIP_WRITE(sc, CSR_INTEN, 0); 1976 1977 /* Stop the transmit and receive processes. */ 1978 TULIP_WRITE(sc, CSR_OPMODE, 0); 1979 TULIP_WRITE(sc, CSR_RXLIST, 0); 1980 TULIP_WRITE(sc, CSR_TXLIST, 0); 1981 1982 /* 1983 * Release any queued transmit buffers. 1984 */ 1985 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) { 1986 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs, txs_q); 1987 if (txs->txs_mbuf != NULL) { 1988 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap); 1989 m_freem(txs->txs_mbuf); 1990 txs->txs_mbuf = NULL; 1991 } 1992 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q); 1993 } 1994 1995 if (drain) { 1996 /* 1997 * Release the receive buffers. 1998 */ 1999 tlp_rxdrain(sc); 2000 } 2001 2002 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP); 2003 2004 /* 2005 * Mark the interface down and cancel the watchdog timer. 2006 */ 2007 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2008 ifp->if_timer = 0; 2009 } 2010 2011 #define SROM_EMIT(sc, x) \ 2012 do { \ 2013 TULIP_WRITE((sc), CSR_MIIROM, (x)); \ 2014 delay(2); \ 2015 } while (0) 2016 2017 /* 2018 * tlp_srom_idle: 2019 * 2020 * Put the SROM in idle state. 2021 */ 2022 void 2023 tlp_srom_idle(sc) 2024 struct tulip_softc *sc; 2025 { 2026 u_int32_t miirom; 2027 int i; 2028 2029 miirom = MIIROM_SR; 2030 SROM_EMIT(sc, miirom); 2031 2032 miirom |= MIIROM_RD; 2033 SROM_EMIT(sc, miirom); 2034 2035 miirom |= MIIROM_SROMCS; 2036 SROM_EMIT(sc, miirom); 2037 2038 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2039 2040 /* Strobe the clock 32 times. */ 2041 for (i = 0; i < 32; i++) { 2042 SROM_EMIT(sc, miirom); 2043 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2044 } 2045 2046 SROM_EMIT(sc, miirom); 2047 2048 miirom &= ~MIIROM_SROMCS; 2049 SROM_EMIT(sc, miirom); 2050 2051 SROM_EMIT(sc, 0); 2052 } 2053 2054 /* 2055 * tlp_srom_size: 2056 * 2057 * Determine the number of address bits in the SROM. 2058 */ 2059 int 2060 tlp_srom_size(sc) 2061 struct tulip_softc *sc; 2062 { 2063 u_int32_t miirom; 2064 int x; 2065 2066 /* Select the SROM. */ 2067 miirom = MIIROM_SR; 2068 SROM_EMIT(sc, miirom); 2069 2070 miirom |= MIIROM_RD; 2071 SROM_EMIT(sc, miirom); 2072 2073 /* Send CHIP SELECT for one clock tick. */ 2074 miirom |= MIIROM_SROMCS; 2075 SROM_EMIT(sc, miirom); 2076 2077 /* Shift in the READ opcode. */ 2078 for (x = 3; x > 0; x--) { 2079 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2080 miirom |= MIIROM_SROMDI; 2081 else 2082 miirom &= ~MIIROM_SROMDI; 2083 SROM_EMIT(sc, miirom); 2084 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2085 SROM_EMIT(sc, miirom); 2086 } 2087 2088 /* Shift in address and look for dummy 0 bit. */ 2089 for (x = 1; x <= 12; x++) { 2090 miirom &= ~MIIROM_SROMDI; 2091 SROM_EMIT(sc, miirom); 2092 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2093 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2094 break; 2095 SROM_EMIT(sc, miirom); 2096 } 2097 2098 /* Clear CHIP SELECT. */ 2099 miirom &= ~MIIROM_SROMCS; 2100 SROM_EMIT(sc, miirom); 2101 2102 /* Deselect the SROM. */ 2103 SROM_EMIT(sc, 0); 2104 2105 if (x < 4 || x > 12) { 2106 printf("%s: broken MicroWire interface detected; setting SROM size to 1Kb\n", 2107 sc->sc_dev.dv_xname); 2108 return (6); 2109 } else { 2110 #if 0 2111 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n", 2112 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3); 2113 #endif 2114 return (x); 2115 } 2116 } 2117 2118 /* 2119 * tlp_read_srom: 2120 * 2121 * Read the Tulip SROM. 2122 */ 2123 int 2124 tlp_read_srom(sc) 2125 struct tulip_softc *sc; 2126 { 2127 int size; 2128 u_int32_t miirom; 2129 u_int16_t datain; 2130 int i, x; 2131 2132 tlp_srom_idle(sc); 2133 2134 sc->sc_srom_addrbits = tlp_srom_size(sc); 2135 if (sc->sc_srom_addrbits == 0) 2136 return (0); 2137 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits); 2138 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT); 2139 2140 /* Select the SROM. */ 2141 miirom = MIIROM_SR; 2142 SROM_EMIT(sc, miirom); 2143 2144 miirom |= MIIROM_RD; 2145 SROM_EMIT(sc, miirom); 2146 2147 for (i = 0; i < size; i += 2) { 2148 /* Send CHIP SELECT for one clock tick. */ 2149 miirom |= MIIROM_SROMCS; 2150 SROM_EMIT(sc, miirom); 2151 2152 /* Shift in the READ opcode. */ 2153 for (x = 3; x > 0; x--) { 2154 if (TULIP_SROM_OPC_READ & (1 << (x - 1))) 2155 miirom |= MIIROM_SROMDI; 2156 else 2157 miirom &= ~MIIROM_SROMDI; 2158 SROM_EMIT(sc, miirom); 2159 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2160 SROM_EMIT(sc, miirom); 2161 } 2162 2163 /* Shift in address. */ 2164 for (x = sc->sc_srom_addrbits; x > 0; x--) { 2165 if (i & (1 << x)) 2166 miirom |= MIIROM_SROMDI; 2167 else 2168 miirom &= ~MIIROM_SROMDI; 2169 SROM_EMIT(sc, miirom); 2170 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2171 SROM_EMIT(sc, miirom); 2172 } 2173 2174 /* Shift out data. */ 2175 miirom &= ~MIIROM_SROMDI; 2176 datain = 0; 2177 for (x = 16; x > 0; x--) { 2178 SROM_EMIT(sc, miirom|MIIROM_SROMSK); 2179 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO)) 2180 datain |= (1 << (x - 1)); 2181 SROM_EMIT(sc, miirom); 2182 } 2183 sc->sc_srom[i] = datain & 0xff; 2184 sc->sc_srom[i + 1] = datain >> 8; 2185 2186 /* Clear CHIP SELECT. */ 2187 miirom &= ~MIIROM_SROMCS; 2188 SROM_EMIT(sc, miirom); 2189 } 2190 2191 /* Deselect the SROM. */ 2192 SROM_EMIT(sc, 0); 2193 2194 /* ...and idle it. */ 2195 tlp_srom_idle(sc); 2196 2197 #if 0 2198 printf("SROM CONTENTS:"); 2199 for (i = 0; i < size; i++) { 2200 if ((i % 8) == 0) 2201 printf("\n\t"); 2202 printf("0x%02x ", sc->sc_srom[i]); 2203 } 2204 printf("\n"); 2205 #endif 2206 2207 return (1); 2208 } 2209 2210 #undef SROM_EMIT 2211 2212 /* 2213 * tlp_add_rxbuf: 2214 * 2215 * Add a receive buffer to the indicated descriptor. 2216 */ 2217 int 2218 tlp_add_rxbuf(sc, idx) 2219 struct tulip_softc *sc; 2220 int idx; 2221 { 2222 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx]; 2223 struct mbuf *m; 2224 int error; 2225 2226 MGETHDR(m, M_DONTWAIT, MT_DATA); 2227 if (m == NULL) 2228 return (ENOBUFS); 2229 2230 MCLGET(m, M_DONTWAIT); 2231 if ((m->m_flags & M_EXT) == 0) { 2232 m_freem(m); 2233 return (ENOBUFS); 2234 } 2235 2236 if (rxs->rxs_mbuf != NULL) 2237 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap); 2238 2239 rxs->rxs_mbuf = m; 2240 2241 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap, 2242 m->m_ext.ext_buf, m->m_ext.ext_size, NULL, BUS_DMA_NOWAIT); 2243 if (error) { 2244 printf("%s: can't load rx DMA map %d, error = %d\n", 2245 sc->sc_dev.dv_xname, idx, error); 2246 panic("tlp_add_rxbuf"); /* XXX */ 2247 } 2248 2249 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0, 2250 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD); 2251 2252 TULIP_INIT_RXDESC(sc, idx); 2253 2254 return (0); 2255 } 2256 2257 /* 2258 * tlp_crc32: 2259 * 2260 * Compute the 32-bit CRC of the provided buffer. 2261 */ 2262 u_int32_t 2263 tlp_crc32(buf, len) 2264 const u_int8_t *buf; 2265 size_t len; 2266 { 2267 static const u_int32_t crctab[] = { 2268 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2269 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2270 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2271 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2272 }; 2273 u_int32_t crc; 2274 int i; 2275 2276 crc = 0xffffffff; 2277 for (i = 0; i < len; i++) { 2278 crc ^= buf[i]; 2279 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2280 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2281 } 2282 return (crc); 2283 } 2284 2285 /* 2286 * tlp_srom_crcok: 2287 * 2288 * Check the CRC of the Tulip SROM. 2289 */ 2290 int 2291 tlp_srom_crcok(romdata) 2292 const u_int8_t *romdata; 2293 { 2294 u_int32_t crc; 2295 2296 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM); 2297 crc = (crc & 0xffff) ^ 0xffff; 2298 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM)) 2299 return (1); 2300 2301 /* 2302 * Try an alternate checksum. 2303 */ 2304 crc = tlp_crc32(romdata, TULIP_ROM_CRC32_CHECKSUM1); 2305 crc = (crc & 0xffff) ^ 0xffff; 2306 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1)) 2307 return (1); 2308 2309 return (0); 2310 } 2311 2312 /* 2313 * tlp_isv_srom: 2314 * 2315 * Check to see if the SROM is in the new standardized format. 2316 */ 2317 int 2318 tlp_isv_srom(romdata) 2319 const u_int8_t *romdata; 2320 { 2321 int i; 2322 u_int16_t cksum; 2323 2324 if (tlp_srom_crcok(romdata)) { 2325 /* 2326 * SROM CRC checks out; must be in the new format. 2327 */ 2328 return (1); 2329 } 2330 2331 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM); 2332 if (cksum == 0xffff || cksum == 0) { 2333 /* 2334 * No checksum present. Check the SROM ID; 18 bytes of 0 2335 * followed by 1 (version) followed by the number of 2336 * adapters which use this SROM (should be non-zero). 2337 */ 2338 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) { 2339 if (romdata[i] != 0) 2340 return (0); 2341 } 2342 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1) 2343 return (0); 2344 if (romdata[TULIP_ROM_CHIP_COUNT] == 0) 2345 return (0); 2346 return (1); 2347 } 2348 2349 return (0); 2350 } 2351 2352 /* 2353 * tlp_isv_srom_enaddr: 2354 * 2355 * Get the Ethernet address from an ISV SROM. 2356 */ 2357 int 2358 tlp_isv_srom_enaddr(sc, enaddr) 2359 struct tulip_softc *sc; 2360 u_int8_t *enaddr; 2361 { 2362 int i, devcnt; 2363 2364 if (tlp_isv_srom(sc->sc_srom) == 0) 2365 return (0); 2366 2367 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 2368 for (i = 0; i < devcnt; i++) { 2369 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 2370 break; 2371 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 2372 sc->sc_devno) 2373 break; 2374 } 2375 2376 if (i == devcnt) 2377 return (0); 2378 2379 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS], 2380 ETHER_ADDR_LEN); 2381 enaddr[5] += i; 2382 2383 return (1); 2384 } 2385 2386 /* 2387 * tlp_parse_old_srom: 2388 * 2389 * Parse old-format SROMs. 2390 * 2391 * This routine is largely lifted from Matt Thomas's `de' driver. 2392 */ 2393 int 2394 tlp_parse_old_srom(sc, enaddr) 2395 struct tulip_softc *sc; 2396 u_int8_t *enaddr; 2397 { 2398 static const u_int8_t testpat[] = 2399 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa }; 2400 int i; 2401 u_int32_t cksum; 2402 2403 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) { 2404 /* 2405 * Some vendors (e.g. ZNYX) don't use the standard 2406 * DEC Address ROM format, but rather just have an 2407 * Ethernet address in the first 6 bytes, maybe a 2408 * 2 byte checksum, and then all 0xff's. 2409 * 2410 * On the other hand, Cobalt Networks interfaces 2411 * simply have the address in the first six bytes 2412 * with the rest zeroed out. 2413 */ 2414 for (i = 8; i < 32; i++) { 2415 if (sc->sc_srom[i] != 0xff && 2416 sc->sc_srom[i] != 0) 2417 return (0); 2418 } 2419 2420 /* 2421 * Sanity check the Ethernet address: 2422 * 2423 * - Make sure it's not multicast or locally 2424 * assigned 2425 * - Make sure it has a non-0 OUI 2426 */ 2427 if (sc->sc_srom[0] & 3) 2428 return (0); 2429 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 && 2430 sc->sc_srom[2] == 0) 2431 return (0); 2432 2433 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2434 return (1); 2435 } 2436 2437 /* 2438 * Standard DEC Address ROM test. 2439 */ 2440 2441 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0) 2442 return (0); 2443 2444 for (i = 0; i < 8; i++) { 2445 if (sc->sc_srom[i] != sc->sc_srom[15 - i]) 2446 return (0); 2447 } 2448 2449 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN); 2450 2451 cksum = *(u_int16_t *) &enaddr[0]; 2452 2453 cksum <<= 1; 2454 if (cksum > 0xffff) 2455 cksum -= 0xffff; 2456 2457 cksum += *(u_int16_t *) &enaddr[2]; 2458 if (cksum > 0xffff) 2459 cksum -= 0xffff; 2460 2461 cksum <<= 1; 2462 if (cksum > 0xffff) 2463 cksum -= 0xffff; 2464 2465 cksum += *(u_int16_t *) &enaddr[4]; 2466 if (cksum >= 0xffff) 2467 cksum -= 0xffff; 2468 2469 if (cksum != *(u_int16_t *) &sc->sc_srom[6]) 2470 return (0); 2471 2472 return (1); 2473 } 2474 2475 /* 2476 * tlp_filter_setup: 2477 * 2478 * Set the Tulip's receive filter. 2479 */ 2480 void 2481 tlp_filter_setup(sc) 2482 struct tulip_softc *sc; 2483 { 2484 struct ethercom *ec = &sc->sc_ethercom; 2485 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2486 struct ether_multi *enm; 2487 struct ether_multistep step; 2488 __volatile u_int32_t *sp; 2489 struct tulip_txsoft *txs; 2490 u_int8_t enaddr[ETHER_ADDR_LEN]; 2491 u_int32_t hash, hashsize; 2492 int cnt; 2493 2494 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n", 2495 sc->sc_dev.dv_xname, sc->sc_flags)); 2496 2497 memcpy(enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 2498 2499 /* 2500 * If there are transmissions pending, wait until they have 2501 * completed. 2502 */ 2503 if (SIMPLEQ_FIRST(&sc->sc_txdirtyq) != NULL || 2504 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) { 2505 sc->sc_flags |= TULIPF_WANT_SETUP; 2506 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n", 2507 sc->sc_dev.dv_xname)); 2508 return; 2509 } 2510 sc->sc_flags &= ~TULIPF_WANT_SETUP; 2511 2512 switch (sc->sc_chip) { 2513 case TULIP_CHIP_82C115: 2514 hashsize = TULIP_PNICII_HASHSIZE; 2515 break; 2516 2517 default: 2518 hashsize = TULIP_MCHASHSIZE; 2519 } 2520 2521 /* 2522 * If we're running, idle the transmit and receive engines. If 2523 * we're NOT running, we're being called from tlp_init(), and our 2524 * writing OPMODE will start the transmit and receive processes 2525 * in motion. 2526 */ 2527 if (ifp->if_flags & IFF_RUNNING) { 2528 /* 2529 * Actually, some chips seem to need a really hard 2530 * kick in the head for this to work. The genuine 2531 * DEC chips can just be idled, but some of the 2532 * clones seem to REALLY want a reset here. Doing 2533 * the reset will end up here again, but with 2534 * IFF_RUNNING cleared. 2535 */ 2536 switch (sc->sc_chip) { 2537 case TULIP_CHIP_82C168: 2538 case TULIP_CHIP_82C169: 2539 tlp_init(sc); 2540 return; 2541 2542 default: 2543 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2544 } 2545 } 2546 2547 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2548 2549 if (ifp->if_flags & IFF_PROMISC) { 2550 sc->sc_opmode |= OPMODE_PR; 2551 goto allmulti; 2552 } 2553 2554 /* 2555 * Try Perfect filtering first. 2556 */ 2557 2558 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2559 sp = TULIP_CDSP(sc); 2560 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2561 cnt = 0; 2562 ETHER_FIRST_MULTI(step, ec, enm); 2563 while (enm != NULL) { 2564 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2565 /* 2566 * We must listen to a range of multicast addresses. 2567 * For now, just accept all multicasts, rather than 2568 * trying to set only those filter bits needed to match 2569 * the range. (At this time, the only use of address 2570 * ranges is for IP multicast routing, for which the 2571 * range is big enough to require all bits set.) 2572 */ 2573 goto allmulti; 2574 } 2575 if (cnt == (TULIP_MAXADDRS - 2)) { 2576 /* 2577 * We already have our multicast limit (still need 2578 * our station address and broadcast). Go to 2579 * Hash-Perfect mode. 2580 */ 2581 goto hashperfect; 2582 } 2583 cnt++; 2584 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0); 2585 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1); 2586 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2); 2587 ETHER_NEXT_MULTI(step, enm); 2588 } 2589 2590 if (ifp->if_flags & IFF_BROADCAST) { 2591 /* ...and the broadcast address. */ 2592 cnt++; 2593 *sp++ = TULIP_SP_FIELD_C(0xffff); 2594 *sp++ = TULIP_SP_FIELD_C(0xffff); 2595 *sp++ = TULIP_SP_FIELD_C(0xffff); 2596 } 2597 2598 /* Pad the rest with our station address. */ 2599 for (; cnt < TULIP_MAXADDRS; cnt++) { 2600 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2601 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2602 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2603 } 2604 ifp->if_flags &= ~IFF_ALLMULTI; 2605 goto setit; 2606 2607 hashperfect: 2608 /* 2609 * Try Hash-Perfect mode. 2610 */ 2611 2612 /* 2613 * Some 21140 chips have broken Hash-Perfect modes. On these 2614 * chips, we simply use Hash-Only mode, and put our station 2615 * address into the filter. 2616 */ 2617 if (sc->sc_chip == TULIP_CHIP_21140) 2618 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY; 2619 else 2620 sc->sc_filtmode = TDCTL_Tx_FT_HASH; 2621 sp = TULIP_CDSP(sc); 2622 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2623 ETHER_FIRST_MULTI(step, ec, enm); 2624 while (enm != NULL) { 2625 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2626 /* 2627 * We must listen to a range of multicast addresses. 2628 * For now, just accept all multicasts, rather than 2629 * trying to set only those filter bits needed to match 2630 * the range. (At this time, the only use of address 2631 * ranges is for IP multicast routing, for which the 2632 * range is big enough to require all bits set.) 2633 */ 2634 goto allmulti; 2635 } 2636 hash = tlp_mchash(enm->enm_addrlo, hashsize); 2637 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2638 ETHER_NEXT_MULTI(step, enm); 2639 } 2640 2641 if (ifp->if_flags & IFF_BROADCAST) { 2642 /* ...and the broadcast address. */ 2643 hash = tlp_mchash(etherbroadcastaddr, hashsize); 2644 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2645 } 2646 2647 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) { 2648 /* ...and our station address. */ 2649 hash = tlp_mchash(enaddr, hashsize); 2650 sp[hash >> 4] |= htole32(1 << (hash & 0xf)); 2651 } else { 2652 /* 2653 * Hash-Perfect mode; put our station address after 2654 * the hash table. 2655 */ 2656 sp[39] = TULIP_SP_FIELD(enaddr, 0); 2657 sp[40] = TULIP_SP_FIELD(enaddr, 1); 2658 sp[41] = TULIP_SP_FIELD(enaddr, 2); 2659 } 2660 ifp->if_flags &= ~IFF_ALLMULTI; 2661 goto setit; 2662 2663 allmulti: 2664 /* 2665 * Use Perfect filter mode. First address is the broadcast address, 2666 * and pad the rest with our station address. We'll set Pass-all- 2667 * multicast in OPMODE below. 2668 */ 2669 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT; 2670 sp = TULIP_CDSP(sc); 2671 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN); 2672 cnt = 0; 2673 if (ifp->if_flags & IFF_BROADCAST) { 2674 cnt++; 2675 *sp++ = TULIP_SP_FIELD_C(0xffff); 2676 *sp++ = TULIP_SP_FIELD_C(0xffff); 2677 *sp++ = TULIP_SP_FIELD_C(0xffff); 2678 } 2679 for (; cnt < TULIP_MAXADDRS; cnt++) { 2680 *sp++ = TULIP_SP_FIELD(enaddr, 0); 2681 *sp++ = TULIP_SP_FIELD(enaddr, 1); 2682 *sp++ = TULIP_SP_FIELD(enaddr, 2); 2683 } 2684 ifp->if_flags |= IFF_ALLMULTI; 2685 2686 setit: 2687 if (ifp->if_flags & IFF_ALLMULTI) 2688 sc->sc_opmode |= OPMODE_PM; 2689 2690 /* Sync the setup packet buffer. */ 2691 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE); 2692 2693 /* 2694 * Fill in the setup packet descriptor. 2695 */ 2696 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq); 2697 2698 txs->txs_firstdesc = sc->sc_txnext; 2699 txs->txs_lastdesc = sc->sc_txnext; 2700 txs->txs_ndescs = 1; 2701 txs->txs_mbuf = NULL; 2702 2703 sc->sc_txdescs[sc->sc_txnext].td_bufaddr1 = 2704 htole32(TULIP_CDSPADDR(sc)); 2705 sc->sc_txdescs[sc->sc_txnext].td_ctl = 2706 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) | 2707 sc->sc_filtmode | TDCTL_Tx_SET | TDCTL_Tx_FS | 2708 TDCTL_Tx_LS | TDCTL_Tx_IC | sc->sc_tdctl_ch | 2709 (sc->sc_txnext == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0)); 2710 sc->sc_txdescs[sc->sc_txnext].td_status = htole32(TDSTAT_OWN); 2711 TULIP_CDTXSYNC(sc, sc->sc_txnext, txs->txs_ndescs, 2712 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 2713 2714 /* Advance the tx pointer. */ 2715 sc->sc_txfree -= 1; 2716 sc->sc_txnext = TULIP_NEXTTX(sc->sc_txnext); 2717 2718 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs, txs_q); 2719 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q); 2720 2721 /* 2722 * Set the OPMODE register. This will also resume the 2723 * transmit transmit process we idled above. 2724 */ 2725 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2726 2727 sc->sc_flags |= TULIPF_DOING_SETUP; 2728 2729 /* 2730 * Kick the transmitter; this will cause the Tulip to 2731 * read the setup descriptor. 2732 */ 2733 /* XXX USE AUTOPOLLING? */ 2734 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD); 2735 2736 /* Set up a watchdog timer in case the chip flakes out. */ 2737 ifp->if_timer = 5; 2738 2739 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname)); 2740 } 2741 2742 /* 2743 * tlp_winb_filter_setup: 2744 * 2745 * Set the Winbond 89C840F's receive filter. 2746 */ 2747 void 2748 tlp_winb_filter_setup(sc) 2749 struct tulip_softc *sc; 2750 { 2751 struct ethercom *ec = &sc->sc_ethercom; 2752 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2753 struct ether_multi *enm; 2754 struct ether_multistep step; 2755 u_int32_t hash, mchash[2]; 2756 2757 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n", 2758 sc->sc_dev.dv_xname, sc->sc_flags)); 2759 2760 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP); 2761 2762 if (ifp->if_flags & IFF_MULTICAST) 2763 sc->sc_opmode |= OPMODE_WINB_AMP; 2764 2765 if (ifp->if_flags & IFF_BROADCAST) 2766 sc->sc_opmode |= OPMODE_WINB_ABP; 2767 2768 if (ifp->if_flags & IFF_PROMISC) { 2769 sc->sc_opmode |= OPMODE_WINB_APP; 2770 goto allmulti; 2771 } 2772 2773 mchash[0] = mchash[1] = 0; 2774 2775 ETHER_FIRST_MULTI(step, ec, enm); 2776 while (enm != NULL) { 2777 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2778 /* 2779 * We must listen to a range of multicast addresses. 2780 * For now, just accept all multicasts, rather than 2781 * trying to set only those filter bits needed to match 2782 * the range. (At this time, the only use of address 2783 * ranges is for IP multicast routing, for which the 2784 * range is big enough to require all bits set.) 2785 */ 2786 goto allmulti; 2787 } 2788 2789 /* 2790 * According to the FreeBSD `wb' driver, yes, you 2791 * really do invert the hash. 2792 */ 2793 hash = (~(tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)) 2794 & 0x3f; 2795 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2796 ETHER_NEXT_MULTI(step, enm); 2797 } 2798 ifp->if_flags &= ~IFF_ALLMULTI; 2799 goto setit; 2800 2801 allmulti: 2802 ifp->if_flags |= IFF_ALLMULTI; 2803 mchash[0] = mchash[1] = 0xffffffff; 2804 2805 setit: 2806 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]); 2807 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]); 2808 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2809 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n", 2810 sc->sc_dev.dv_xname)); 2811 } 2812 2813 /* 2814 * tlp_al981_filter_setup: 2815 * 2816 * Set the ADMtek AL981's receive filter. 2817 */ 2818 void 2819 tlp_al981_filter_setup(sc) 2820 struct tulip_softc *sc; 2821 { 2822 struct ethercom *ec = &sc->sc_ethercom; 2823 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 2824 struct ether_multi *enm; 2825 struct ether_multistep step; 2826 u_int32_t hash, mchash[2]; 2827 2828 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n", 2829 sc->sc_dev.dv_xname, sc->sc_flags)); 2830 2831 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 2832 2833 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM); 2834 2835 if (ifp->if_flags & IFF_PROMISC) { 2836 sc->sc_opmode |= OPMODE_PR; 2837 goto allmulti; 2838 } 2839 2840 mchash[0] = mchash[1] = 0; 2841 2842 ETHER_FIRST_MULTI(step, ec, enm); 2843 while (enm != NULL) { 2844 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) { 2845 /* 2846 * We must listen to a range of multicast addresses. 2847 * For now, just accept all multicasts, rather than 2848 * trying to set only those filter bits needed to match 2849 * the range. (At this time, the only use of address 2850 * ranges is for IP multicast routing, for which the 2851 * range is big enough to require all bits set.) 2852 */ 2853 goto allmulti; 2854 } 2855 2856 hash = (tlp_crc32(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26) 2857 & 0x3f; 2858 mchash[hash >> 5] |= 1 << (hash & 0x1f); 2859 ETHER_NEXT_MULTI(step, enm); 2860 } 2861 ifp->if_flags &= ~IFF_ALLMULTI; 2862 goto setit; 2863 2864 allmulti: 2865 ifp->if_flags |= IFF_ALLMULTI; 2866 mchash[0] = mchash[1] = 0xffffffff; 2867 2868 setit: 2869 TULIP_WRITE(sc, CSR_ADM_MAR0, mchash[0]); 2870 TULIP_WRITE(sc, CSR_ADM_MAR1, mchash[1]); 2871 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 2872 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n", 2873 sc->sc_dev.dv_xname)); 2874 } 2875 2876 /* 2877 * tlp_idle: 2878 * 2879 * Cause the transmit and/or receive processes to go idle. 2880 */ 2881 void 2882 tlp_idle(sc, bits) 2883 struct tulip_softc *sc; 2884 u_int32_t bits; 2885 { 2886 static const char *tx_state_names[] = { 2887 "STOPPED", 2888 "RUNNING - FETCH", 2889 "RUNNING - WAIT", 2890 "RUNNING - READING", 2891 "-- RESERVED --", 2892 "RUNNING - SETUP", 2893 "SUSPENDED", 2894 "RUNNING - CLOSE", 2895 }; 2896 static const char *rx_state_names[] = { 2897 "STOPPED", 2898 "RUNNING - FETCH", 2899 "RUNNING - CHECK", 2900 "RUNNING - WAIT", 2901 "SUSPENDED", 2902 "RUNNING - CLOSE", 2903 "RUNNING - FLUSH", 2904 "RUNNING - QUEUE", 2905 }; 2906 u_int32_t csr, ackmask = 0; 2907 int i; 2908 2909 if (bits & OPMODE_ST) 2910 ackmask |= STATUS_TPS; 2911 2912 if (bits & OPMODE_SR) 2913 ackmask |= STATUS_RPS; 2914 2915 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits); 2916 2917 for (i = 0; i < 1000; i++) { 2918 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask) 2919 break; 2920 delay(10); 2921 } 2922 2923 csr = TULIP_READ(sc, CSR_STATUS); 2924 if ((csr & ackmask) != ackmask) { 2925 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 && 2926 (csr & STATUS_TS) != STATUS_TS_STOPPED) 2927 printf("%s: transmit process failed to idle: " 2928 "state %s\n", sc->sc_dev.dv_xname, 2929 tx_state_names[(csr & STATUS_TS) >> 20]); 2930 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 && 2931 (csr & STATUS_RS) != STATUS_RS_STOPPED) 2932 printf("%s: receive process failed to idle: " 2933 "state %s\n", sc->sc_dev.dv_xname, 2934 rx_state_names[(csr & STATUS_RS) >> 17]); 2935 } 2936 TULIP_WRITE(sc, CSR_STATUS, ackmask); 2937 } 2938 2939 /***************************************************************************** 2940 * Generic media support functions. 2941 *****************************************************************************/ 2942 2943 /* 2944 * tlp_mediastatus: [ifmedia interface function] 2945 * 2946 * Query the current media. 2947 */ 2948 void 2949 tlp_mediastatus(ifp, ifmr) 2950 struct ifnet *ifp; 2951 struct ifmediareq *ifmr; 2952 { 2953 struct tulip_softc *sc = ifp->if_softc; 2954 2955 if (TULIP_IS_ENABLED(sc) == 0) { 2956 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 2957 ifmr->ifm_status = 0; 2958 return; 2959 } 2960 2961 (*sc->sc_mediasw->tmsw_get)(sc, ifmr); 2962 } 2963 2964 /* 2965 * tlp_mediachange: [ifmedia interface function] 2966 * 2967 * Update the current media. 2968 */ 2969 int 2970 tlp_mediachange(ifp) 2971 struct ifnet *ifp; 2972 { 2973 struct tulip_softc *sc = ifp->if_softc; 2974 2975 return ((*sc->sc_mediasw->tmsw_set)(sc)); 2976 } 2977 2978 /***************************************************************************** 2979 * Support functions for MII-attached media. 2980 *****************************************************************************/ 2981 2982 /* 2983 * tlp_mii_tick: 2984 * 2985 * One second timer, used to tick the MII. 2986 */ 2987 void 2988 tlp_mii_tick(arg) 2989 void *arg; 2990 { 2991 struct tulip_softc *sc = arg; 2992 int s; 2993 2994 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 2995 return; 2996 2997 s = splnet(); 2998 mii_tick(&sc->sc_mii); 2999 splx(s); 3000 3001 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc); 3002 } 3003 3004 /* 3005 * tlp_mii_statchg: [mii interface function] 3006 * 3007 * Callback from PHY when media changes. 3008 */ 3009 void 3010 tlp_mii_statchg(self) 3011 struct device *self; 3012 { 3013 struct tulip_softc *sc = (struct tulip_softc *)self; 3014 3015 /* Idle the transmit and receive processes. */ 3016 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3017 3018 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD); 3019 3020 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) 3021 sc->sc_opmode |= OPMODE_TTM; 3022 else 3023 sc->sc_opmode |= OPMODE_HBD; 3024 3025 if (sc->sc_mii.mii_media_active & IFM_FDX) 3026 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 3027 3028 /* 3029 * Write new OPMODE bits. This also restarts the transmit 3030 * and receive processes. 3031 */ 3032 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3033 } 3034 3035 /* 3036 * tlp_winb_mii_statchg: [mii interface function] 3037 * 3038 * Callback from PHY when media changes. This version is 3039 * for the Winbond 89C840F, which has different OPMODE bits. 3040 */ 3041 void 3042 tlp_winb_mii_statchg(self) 3043 struct device *self; 3044 { 3045 struct tulip_softc *sc = (struct tulip_softc *)self; 3046 3047 /* Idle the transmit and receive processes. */ 3048 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3049 3050 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD); 3051 3052 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX) 3053 sc->sc_opmode |= OPMODE_WINB_FES; 3054 3055 if (sc->sc_mii.mii_media_active & IFM_FDX) 3056 sc->sc_opmode |= OPMODE_FD; 3057 3058 /* 3059 * Write new OPMODE bits. This also restarts the transmit 3060 * and receive processes. 3061 */ 3062 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3063 } 3064 3065 /* 3066 * tlp_mii_getmedia: 3067 * 3068 * Callback from ifmedia to request current media status. 3069 */ 3070 void 3071 tlp_mii_getmedia(sc, ifmr) 3072 struct tulip_softc *sc; 3073 struct ifmediareq *ifmr; 3074 { 3075 3076 mii_pollstat(&sc->sc_mii); 3077 ifmr->ifm_status = sc->sc_mii.mii_media_status; 3078 ifmr->ifm_active = sc->sc_mii.mii_media_active; 3079 } 3080 3081 /* 3082 * tlp_mii_setmedia: 3083 * 3084 * Callback from ifmedia to request new media setting. 3085 */ 3086 int 3087 tlp_mii_setmedia(sc) 3088 struct tulip_softc *sc; 3089 { 3090 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 3091 3092 if (ifp->if_flags & IFF_UP) { 3093 switch (sc->sc_chip) { 3094 case TULIP_CHIP_21142: 3095 case TULIP_CHIP_21143: 3096 /* Disable the internal Nway engine. */ 3097 TULIP_WRITE(sc, CSR_SIATXRX, 0); 3098 break; 3099 3100 default: 3101 /* Nothing. */ 3102 } 3103 mii_mediachg(&sc->sc_mii); 3104 } 3105 return (0); 3106 } 3107 3108 /* 3109 * tlp_bitbang_mii_readreg: 3110 * 3111 * Read a PHY register via bit-bang'ing the MII. 3112 */ 3113 int 3114 tlp_bitbang_mii_readreg(self, phy, reg) 3115 struct device *self; 3116 int phy, reg; 3117 { 3118 struct tulip_softc *sc = (void *) self; 3119 3120 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg)); 3121 } 3122 3123 /* 3124 * tlp_bitbang_mii_writereg: 3125 * 3126 * Write a PHY register via bit-bang'ing the MII. 3127 */ 3128 void 3129 tlp_bitbang_mii_writereg(self, phy, reg, val) 3130 struct device *self; 3131 int phy, reg, val; 3132 { 3133 struct tulip_softc *sc = (void *) self; 3134 3135 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val); 3136 } 3137 3138 /* 3139 * tlp_sio_mii_bitbang_read: 3140 * 3141 * Read the MII serial port for the MII bit-bang module. 3142 */ 3143 u_int32_t 3144 tlp_sio_mii_bitbang_read(self) 3145 struct device *self; 3146 { 3147 struct tulip_softc *sc = (void *) self; 3148 3149 return (TULIP_READ(sc, CSR_MIIROM)); 3150 } 3151 3152 /* 3153 * tlp_sio_mii_bitbang_write: 3154 * 3155 * Write the MII serial port for the MII bit-bang module. 3156 */ 3157 void 3158 tlp_sio_mii_bitbang_write(self, val) 3159 struct device *self; 3160 u_int32_t val; 3161 { 3162 struct tulip_softc *sc = (void *) self; 3163 3164 TULIP_WRITE(sc, CSR_MIIROM, val); 3165 } 3166 3167 /* 3168 * tlp_pnic_mii_readreg: 3169 * 3170 * Read a PHY register on the Lite-On PNIC. 3171 */ 3172 int 3173 tlp_pnic_mii_readreg(self, phy, reg) 3174 struct device *self; 3175 int phy, reg; 3176 { 3177 struct tulip_softc *sc = (void *) self; 3178 u_int32_t val; 3179 int i; 3180 3181 TULIP_WRITE(sc, CSR_PNIC_MII, 3182 PNIC_MII_MBO | PNIC_MII_RESERVED | 3183 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) | 3184 (reg << PNIC_MII_REGSHIFT)); 3185 3186 for (i = 0; i < 1000; i++) { 3187 delay(10); 3188 val = TULIP_READ(sc, CSR_PNIC_MII); 3189 if ((val & PNIC_MII_BUSY) == 0) { 3190 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA) 3191 return (0); 3192 else 3193 return (val & PNIC_MII_DATA); 3194 } 3195 } 3196 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname); 3197 return (0); 3198 } 3199 3200 /* 3201 * tlp_pnic_mii_writereg: 3202 * 3203 * Write a PHY register on the Lite-On PNIC. 3204 */ 3205 void 3206 tlp_pnic_mii_writereg(self, phy, reg, val) 3207 struct device *self; 3208 int phy, reg, val; 3209 { 3210 struct tulip_softc *sc = (void *) self; 3211 int i; 3212 3213 TULIP_WRITE(sc, CSR_PNIC_MII, 3214 PNIC_MII_MBO | PNIC_MII_RESERVED | 3215 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) | 3216 (reg << PNIC_MII_REGSHIFT) | val); 3217 3218 for (i = 0; i < 1000; i++) { 3219 delay(10); 3220 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0) 3221 return; 3222 } 3223 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname); 3224 } 3225 3226 const bus_addr_t tlp_al981_phy_regmap[] = { 3227 CSR_ADM_BMCR, 3228 CSR_ADM_BMSR, 3229 CSR_ADM_PHYIDR1, 3230 CSR_ADM_PHYIDR2, 3231 CSR_ADM_ANAR, 3232 CSR_ADM_ANLPAR, 3233 CSR_ADM_ANER, 3234 3235 CSR_ADM_XMC, 3236 CSR_ADM_XCIIS, 3237 CSR_ADM_XIE, 3238 CSR_ADM_100CTR, 3239 }; 3240 const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) / 3241 sizeof(tlp_al981_phy_regmap[0]); 3242 3243 /* 3244 * tlp_al981_mii_readreg: 3245 * 3246 * Read a PHY register on the ADMtek AL981. 3247 */ 3248 int 3249 tlp_al981_mii_readreg(self, phy, reg) 3250 struct device *self; 3251 int phy, reg; 3252 { 3253 struct tulip_softc *sc = (struct tulip_softc *)self; 3254 3255 /* AL981 only has an internal PHY. */ 3256 if (phy != 0) 3257 return (0); 3258 3259 if (reg >= tlp_al981_phy_regmap_size) 3260 return (0); 3261 3262 return (bus_space_read_4(sc->sc_st, sc->sc_sh, 3263 tlp_al981_phy_regmap[reg]) & 0xffff); 3264 } 3265 3266 /* 3267 * tlp_al981_mii_writereg: 3268 * 3269 * Write a PHY register on the ADMtek AL981. 3270 */ 3271 void 3272 tlp_al981_mii_writereg(self, phy, reg, val) 3273 struct device *self; 3274 int phy, reg, val; 3275 { 3276 struct tulip_softc *sc = (struct tulip_softc *)self; 3277 3278 /* AL981 only has an internal PHY. */ 3279 if (phy != 0) 3280 return; 3281 3282 if (reg >= tlp_al981_phy_regmap_size) 3283 return; 3284 3285 bus_space_write_4(sc->sc_st, sc->sc_sh, 3286 tlp_al981_phy_regmap[reg], val); 3287 } 3288 3289 /***************************************************************************** 3290 * Chip-specific pre-init and reset functions. 3291 *****************************************************************************/ 3292 3293 /* 3294 * tlp_2114x_preinit: 3295 * 3296 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3297 */ 3298 void 3299 tlp_2114x_preinit(sc) 3300 struct tulip_softc *sc; 3301 { 3302 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3303 struct tulip_21x4x_media *tm = ife->ifm_aux; 3304 3305 /* 3306 * Whether or not we're in MII or SIA/SYM mode, the media info 3307 * contains the appropriate OPMODE bits. 3308 * 3309 * Note that if we have no media info, we are are doing 3310 * non-MII `auto'. 3311 * 3312 * Also, we always set the Must-Be-One bit. 3313 */ 3314 if (tm == NULL) { 3315 #ifdef DIAGNOSTIC 3316 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3317 panic("tlp_2114x_preinit: not IFM_AUTO"); 3318 if (sc->sc_nway_active == NULL) 3319 panic("tlp_2114x_preinit: nway_active NULL"); 3320 #endif 3321 tm = sc->sc_nway_active->ifm_aux; 3322 } 3323 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode; 3324 3325 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3326 } 3327 3328 /* 3329 * tlp_2114x_mii_preinit: 3330 * 3331 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143. 3332 * This version is used by boards which only have MII and don't have 3333 * an ISV SROM. 3334 */ 3335 void 3336 tlp_2114x_mii_preinit(sc) 3337 struct tulip_softc *sc; 3338 { 3339 3340 /* 3341 * Always set the Must-Be-One bit, and Port Select (to select MII). 3342 * We'll never be called during a media change. 3343 */ 3344 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS; 3345 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3346 } 3347 3348 /* 3349 * tlp_pnic_preinit: 3350 * 3351 * Pre-init function for the Lite-On 82c168 and 82c169. 3352 */ 3353 void 3354 tlp_pnic_preinit(sc) 3355 struct tulip_softc *sc; 3356 { 3357 3358 if (sc->sc_flags & TULIPF_HAS_MII) { 3359 /* 3360 * MII case: just set the port-select bit; we will never 3361 * be called during a media change. 3362 */ 3363 sc->sc_opmode |= OPMODE_PS; 3364 } else { 3365 /* 3366 * ENDEC/PCS/Nway mode; enable the Tx backoff counter. 3367 */ 3368 sc->sc_opmode |= OPMODE_PNIC_TBEN; 3369 } 3370 } 3371 3372 /* 3373 * tlp_21140_reset: 3374 * 3375 * Issue a reset sequence on the 21140 via the GPIO facility. 3376 */ 3377 void 3378 tlp_21140_reset(sc) 3379 struct tulip_softc *sc; 3380 { 3381 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3382 struct tulip_21x4x_media *tm = ife->ifm_aux; 3383 int i; 3384 3385 /* First, set the direction on the GPIO pins. */ 3386 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 3387 3388 /* Now, issue the reset sequence. */ 3389 for (i = 0; i < tm->tm_reset_length; i++) { 3390 delay(10); 3391 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]); 3392 } 3393 3394 /* Now, issue the selection sequence. */ 3395 for (i = 0; i < tm->tm_gp_length; i++) { 3396 delay(10); 3397 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]); 3398 } 3399 3400 /* If there were no sequences, just lower the pins. */ 3401 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) 3402 TULIP_WRITE(sc, CSR_GPP, 0); 3403 } 3404 3405 /* 3406 * tlp_21142_reset: 3407 * 3408 * Issue a reset sequence on the 21142 via the GPIO facility. 3409 */ 3410 void 3411 tlp_21142_reset(sc) 3412 struct tulip_softc *sc; 3413 { 3414 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 3415 struct tulip_21x4x_media *tm = ife->ifm_aux; 3416 const u_int8_t *ncp; 3417 int i; 3418 3419 ncp = &sc->sc_srom[tm->tm_reset_offset]; 3420 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 3421 delay(10); 3422 TULIP_WRITE(sc, CSR_SIAGEN, 3423 TULIP_ROM_GETW(ncp, 0) << 16); 3424 } 3425 3426 ncp = &sc->sc_srom[tm->tm_gp_offset]; 3427 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 3428 delay(10); 3429 TULIP_WRITE(sc, CSR_SIAGEN, 3430 TULIP_ROM_GETW(ncp, 0) << 16); 3431 } 3432 3433 /* If there were no sequences, just lower the pins. */ 3434 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 3435 delay(10); 3436 TULIP_WRITE(sc, CSR_SIAGEN, 0); 3437 } 3438 } 3439 3440 /* 3441 * tlp_pmac_reset: 3442 * 3443 * Reset routine for Macronix chips. 3444 */ 3445 void 3446 tlp_pmac_reset(sc) 3447 struct tulip_softc *sc; 3448 { 3449 3450 switch (sc->sc_chip) { 3451 case TULIP_CHIP_82C115: 3452 case TULIP_CHIP_MX98715: 3453 case TULIP_CHIP_MX98715A: 3454 case TULIP_CHIP_MX98725: 3455 /* 3456 * Set the LED operating mode. This information is located 3457 * in the EEPROM at byte offset 0x77, per the MX98715A and 3458 * MX98725 application notes. 3459 */ 3460 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24); 3461 break; 3462 3463 default: 3464 /* Nothing. */ 3465 } 3466 } 3467 3468 /***************************************************************************** 3469 * Chip/board-specific media switches. The ones here are ones that 3470 * are potentially common to multiple front-ends. 3471 *****************************************************************************/ 3472 3473 /* 3474 * This table is a common place for all sorts of media information, 3475 * keyed off of the SROM media code for that media. 3476 * 3477 * Note that we explicitly configure the 21142/21143 to always advertise 3478 * NWay capabilities when using the UTP port. 3479 * XXX Actually, we don't yet. 3480 */ 3481 const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = { 3482 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0, 3483 "10baseT", 3484 0, 3485 { SIACONN_21040_10BASET, 3486 SIATXRX_21040_10BASET, 3487 SIAGEN_21040_10BASET }, 3488 3489 { SIACONN_21041_10BASET, 3490 SIATXRX_21041_10BASET, 3491 SIAGEN_21041_10BASET }, 3492 3493 { SIACONN_21142_10BASET, 3494 SIATXRX_21142_10BASET, 3495 SIAGEN_21142_10BASET } }, 3496 3497 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0, 3498 "10base2", 3499 0, 3500 { 0, 3501 0, 3502 0 }, 3503 3504 { SIACONN_21041_BNC, 3505 SIATXRX_21041_BNC, 3506 SIAGEN_21041_BNC }, 3507 3508 { SIACONN_21142_BNC, 3509 SIATXRX_21142_BNC, 3510 SIAGEN_21142_BNC } }, 3511 3512 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0, 3513 "10base5", 3514 0, 3515 { SIACONN_21040_AUI, 3516 SIATXRX_21040_AUI, 3517 SIAGEN_21040_AUI }, 3518 3519 { SIACONN_21041_AUI, 3520 SIATXRX_21041_AUI, 3521 SIAGEN_21041_AUI }, 3522 3523 { SIACONN_21142_AUI, 3524 SIATXRX_21142_AUI, 3525 SIAGEN_21142_AUI } }, 3526 3527 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0, 3528 "100baseTX", 3529 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3530 { 0, 3531 0, 3532 0 }, 3533 3534 { 0, 3535 0, 3536 0 }, 3537 3538 { 0, 3539 0, 3540 SIAGEN_ABM } }, 3541 3542 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX, 3543 "10baseT-FDX", 3544 OPMODE_FD|OPMODE_HBD, 3545 { SIACONN_21040_10BASET_FDX, 3546 SIATXRX_21040_10BASET_FDX, 3547 SIAGEN_21040_10BASET_FDX }, 3548 3549 { SIACONN_21041_10BASET_FDX, 3550 SIATXRX_21041_10BASET_FDX, 3551 SIAGEN_21041_10BASET_FDX }, 3552 3553 { SIACONN_21142_10BASET_FDX, 3554 SIATXRX_21142_10BASET_FDX, 3555 SIAGEN_21142_10BASET_FDX } }, 3556 3557 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX, 3558 "100baseTX-FDX", 3559 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD, 3560 { 0, 3561 0, 3562 0 }, 3563 3564 { 0, 3565 0, 3566 0 }, 3567 3568 { 0, 3569 0, 3570 SIAGEN_ABM } }, 3571 3572 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0, 3573 "100baseT4", 3574 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD, 3575 { 0, 3576 0, 3577 0 }, 3578 3579 { 0, 3580 0, 3581 0 }, 3582 3583 { 0, 3584 0, 3585 SIAGEN_ABM } }, 3586 3587 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0, 3588 "100baseFX", 3589 OPMODE_PS|OPMODE_PCS|OPMODE_HBD, 3590 { 0, 3591 0, 3592 0 }, 3593 3594 { 0, 3595 0, 3596 0 }, 3597 3598 { 0, 3599 0, 3600 SIAGEN_ABM } }, 3601 3602 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX, 3603 "100baseFX-FDX", 3604 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD, 3605 { 0, 3606 0, 3607 0 }, 3608 3609 { 0, 3610 0, 3611 0 }, 3612 3613 { 0, 3614 0, 3615 SIAGEN_ABM } }, 3616 3617 { 0, 0, 0, 3618 NULL, 3619 0, 3620 { 0, 3621 0, 3622 0 }, 3623 3624 { 0, 3625 0, 3626 0 }, 3627 3628 { 0, 3629 0, 3630 0 } }, 3631 }; 3632 3633 const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia __P((u_int8_t)); 3634 void tlp_srom_media_info __P((struct tulip_softc *, 3635 const struct tulip_srom_to_ifmedia *, struct tulip_21x4x_media *)); 3636 void tlp_add_srom_media __P((struct tulip_softc *, int, 3637 void (*)(struct tulip_softc *, struct ifmediareq *), 3638 int (*)(struct tulip_softc *), const u_int8_t *, int)); 3639 void tlp_print_media __P((struct tulip_softc *)); 3640 void tlp_nway_activate __P((struct tulip_softc *, int)); 3641 void tlp_get_minst __P((struct tulip_softc *)); 3642 3643 const struct tulip_srom_to_ifmedia * 3644 tlp_srom_to_ifmedia(sm) 3645 u_int8_t sm; 3646 { 3647 const struct tulip_srom_to_ifmedia *tsti; 3648 3649 for (tsti = tulip_srom_to_ifmedia_table; 3650 tsti->tsti_name != NULL; tsti++) { 3651 if (tsti->tsti_srom == sm) 3652 return (tsti); 3653 } 3654 3655 return (NULL); 3656 } 3657 3658 void 3659 tlp_srom_media_info(sc, tsti, tm) 3660 struct tulip_softc *sc; 3661 const struct tulip_srom_to_ifmedia *tsti; 3662 struct tulip_21x4x_media *tm; 3663 { 3664 3665 tm->tm_name = tsti->tsti_name; 3666 tm->tm_opmode = tsti->tsti_opmode; 3667 3668 switch (sc->sc_chip) { 3669 case TULIP_CHIP_DE425: 3670 case TULIP_CHIP_21040: 3671 tm->tm_sia = tsti->tsti_21040; /* struct assignment */ 3672 break; 3673 3674 case TULIP_CHIP_21041: 3675 tm->tm_sia = tsti->tsti_21041; /* struct assignment */ 3676 break; 3677 3678 case TULIP_CHIP_21142: 3679 case TULIP_CHIP_21143: 3680 case TULIP_CHIP_82C115: 3681 case TULIP_CHIP_MX98715: 3682 case TULIP_CHIP_MX98715A: 3683 case TULIP_CHIP_MX98725: 3684 tm->tm_sia = tsti->tsti_21142; /* struct assignment */ 3685 break; 3686 3687 default: 3688 /* Nothing. */ 3689 } 3690 } 3691 3692 void 3693 tlp_add_srom_media(sc, type, get, set, list, cnt) 3694 struct tulip_softc *sc; 3695 int type; 3696 void (*get) __P((struct tulip_softc *, struct ifmediareq *)); 3697 int (*set) __P((struct tulip_softc *)); 3698 const u_int8_t *list; 3699 int cnt; 3700 { 3701 struct tulip_21x4x_media *tm; 3702 const struct tulip_srom_to_ifmedia *tsti; 3703 int i; 3704 3705 for (i = 0; i < cnt; i++) { 3706 tsti = tlp_srom_to_ifmedia(list[i]); 3707 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 3708 memset(tm, 0, sizeof(*tm)); 3709 tlp_srom_media_info(sc, tsti, tm); 3710 tm->tm_type = type; 3711 tm->tm_get = get; 3712 tm->tm_set = set; 3713 3714 ifmedia_add(&sc->sc_mii.mii_media, 3715 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 3716 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 3717 } 3718 } 3719 3720 void 3721 tlp_print_media(sc) 3722 struct tulip_softc *sc; 3723 { 3724 struct ifmedia_entry *ife; 3725 struct tulip_21x4x_media *tm; 3726 const char *sep = ""; 3727 3728 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 3729 3730 printf("%s: ", sc->sc_dev.dv_xname); 3731 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3732 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3733 tm = ife->ifm_aux; 3734 if (tm == NULL) { 3735 #ifdef DIAGNOSTIC 3736 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 3737 panic("tlp_print_media"); 3738 #endif 3739 PRINT("auto"); 3740 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII && 3741 tm->tm_type != TULIP_ROM_MB_21142_MII) { 3742 PRINT(tm->tm_name); 3743 } 3744 } 3745 printf("\n"); 3746 3747 #undef PRINT 3748 } 3749 3750 void 3751 tlp_nway_activate(sc, media) 3752 struct tulip_softc *sc; 3753 int media; 3754 { 3755 struct ifmedia_entry *ife; 3756 3757 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0); 3758 #ifdef DIAGNOSTIC 3759 if (ife == NULL) 3760 panic("tlp_nway_activate"); 3761 #endif 3762 sc->sc_nway_active = ife; 3763 } 3764 3765 void 3766 tlp_get_minst(sc) 3767 struct tulip_softc *sc; 3768 { 3769 3770 if ((sc->sc_media_seen & 3771 ~((1 << TULIP_ROM_MB_21140_MII) | 3772 (1 << TULIP_ROM_MB_21142_MII))) == 0) { 3773 /* 3774 * We have not yet seen any SIA/SYM media (but are 3775 * about to; that's why we're called!), so assign 3776 * the current media instance to be the `internal media' 3777 * instance, and advance it so any MII media gets a 3778 * fresh one (used to selecting/isolating a PHY). 3779 */ 3780 sc->sc_tlp_minst = sc->sc_mii.mii_instance++; 3781 } 3782 } 3783 3784 /* 3785 * SIA Utility functions. 3786 */ 3787 void tlp_sia_update_link __P((struct tulip_softc *)); 3788 void tlp_sia_get __P((struct tulip_softc *, struct ifmediareq *)); 3789 int tlp_sia_set __P((struct tulip_softc *)); 3790 void tlp_sia_fixup __P((struct tulip_softc *)); 3791 3792 void 3793 tlp_sia_update_link(sc) 3794 struct tulip_softc *sc; 3795 { 3796 struct ifmedia_entry *ife; 3797 struct tulip_21x4x_media *tm; 3798 u_int32_t siastat; 3799 3800 ife = TULIP_CURRENT_MEDIA(sc); 3801 tm = ife->ifm_aux; 3802 3803 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3804 3805 siastat = TULIP_READ(sc, CSR_SIASTAT); 3806 3807 /* 3808 * Note that when we do SIA link tests, we are assuming that 3809 * the chip is really in the mode that the current media setting 3810 * reflects. If we're not, then the link tests will not be 3811 * accurate! 3812 */ 3813 switch (IFM_SUBTYPE(ife->ifm_media)) { 3814 case IFM_10_T: 3815 sc->sc_flags |= TULIPF_LINK_VALID; 3816 if ((siastat & SIASTAT_LS10) == 0) 3817 sc->sc_flags |= TULIPF_LINK_UP; 3818 break; 3819 3820 case IFM_100_TX: 3821 case IFM_100_T4: 3822 sc->sc_flags |= TULIPF_LINK_VALID; 3823 if ((siastat & SIASTAT_LS100) == 0) 3824 sc->sc_flags |= TULIPF_LINK_UP; 3825 break; 3826 } 3827 3828 switch (sc->sc_chip) { 3829 case TULIP_CHIP_21142: 3830 case TULIP_CHIP_21143: 3831 /* 3832 * On these chips, we can tell more information about 3833 * AUI/BNC. Note that the AUI/BNC selection is made 3834 * in a different register; for our purpose, it's all 3835 * AUI. 3836 */ 3837 switch (IFM_SUBTYPE(ife->ifm_media)) { 3838 case IFM_10_2: 3839 case IFM_10_5: 3840 sc->sc_flags |= TULIPF_LINK_VALID; 3841 if (siastat & SIASTAT_ARA) { 3842 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA); 3843 sc->sc_flags |= TULIPF_LINK_UP; 3844 } 3845 break; 3846 3847 default: 3848 /* 3849 * If we're SYM media and can detect the link 3850 * via the GPIO facility, prefer that status 3851 * over LS100. 3852 */ 3853 if (tm->tm_type == TULIP_ROM_MB_21143_SYM && 3854 tm->tm_actmask != 0) { 3855 sc->sc_flags = (sc->sc_flags & 3856 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID; 3857 if (TULIP_ISSET(sc, CSR_SIAGEN, 3858 tm->tm_actmask) == tm->tm_actdata) 3859 sc->sc_flags |= TULIPF_LINK_UP; 3860 } 3861 } 3862 break; 3863 3864 default: 3865 /* Nothing. */ 3866 } 3867 } 3868 3869 void 3870 tlp_sia_get(sc, ifmr) 3871 struct tulip_softc *sc; 3872 struct ifmediareq *ifmr; 3873 { 3874 struct ifmedia_entry *ife; 3875 3876 ifmr->ifm_status = 0; 3877 3878 tlp_sia_update_link(sc); 3879 3880 ife = TULIP_CURRENT_MEDIA(sc); 3881 3882 if (sc->sc_flags & TULIPF_LINK_VALID) 3883 ifmr->ifm_status |= IFM_AVALID; 3884 if (sc->sc_flags & TULIPF_LINK_UP) 3885 ifmr->ifm_status |= IFM_ACTIVE; 3886 ifmr->ifm_active = ife->ifm_media; 3887 } 3888 3889 void 3890 tlp_sia_fixup(sc) 3891 struct tulip_softc *sc; 3892 { 3893 struct ifmedia_entry *ife; 3894 struct tulip_21x4x_media *tm; 3895 u_int32_t siaconn, siatxrx, siagen; 3896 3897 switch (sc->sc_chip) { 3898 case TULIP_CHIP_82C115: 3899 case TULIP_CHIP_MX98713A: 3900 case TULIP_CHIP_MX98715: 3901 case TULIP_CHIP_MX98715A: 3902 case TULIP_CHIP_MX98725: 3903 siaconn = PMAC_SIACONN_MASK; 3904 siatxrx = PMAC_SIATXRX_MASK; 3905 siagen = PMAC_SIAGEN_MASK; 3906 break; 3907 3908 default: 3909 /* No fixups required on any other chips. */ 3910 return; 3911 } 3912 3913 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 3914 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) { 3915 tm = ife->ifm_aux; 3916 if (tm == NULL) 3917 continue; 3918 3919 tm->tm_siaconn &= siaconn; 3920 tm->tm_siatxrx &= siatxrx; 3921 tm->tm_siagen &= siagen; 3922 } 3923 } 3924 3925 int 3926 tlp_sia_set(sc) 3927 struct tulip_softc *sc; 3928 { 3929 struct ifmedia_entry *ife; 3930 struct tulip_21x4x_media *tm; 3931 3932 ife = TULIP_CURRENT_MEDIA(sc); 3933 tm = ife->ifm_aux; 3934 3935 /* 3936 * XXX This appears to be necessary on a bunch of the clone chips. 3937 */ 3938 delay(20000); 3939 3940 /* 3941 * Idle the chip. 3942 */ 3943 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 3944 3945 /* 3946 * Program the SIA. It's important to write in this order, 3947 * resetting the SIA first. 3948 */ 3949 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */ 3950 delay(1000); 3951 3952 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx); 3953 3954 switch (sc->sc_chip) { 3955 case TULIP_CHIP_21142: 3956 case TULIP_CHIP_21143: 3957 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl); 3958 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata); 3959 break; 3960 default: 3961 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen); 3962 } 3963 3964 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn); 3965 3966 /* 3967 * Set the OPMODE bits for this media and write OPMODE. 3968 * This will resume the transmit and receive processes. 3969 */ 3970 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 3971 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 3972 3973 return (0); 3974 } 3975 3976 /* 3977 * 21140 GPIO utility functions. 3978 */ 3979 void tlp_21140_gpio_update_link __P((struct tulip_softc *)); 3980 void tlp_21140_gpio_get __P((struct tulip_softc *sc, 3981 struct ifmediareq *ifmr)); 3982 int tlp_21140_gpio_set __P((struct tulip_softc *sc)); 3983 3984 void 3985 tlp_21140_gpio_update_link(sc) 3986 struct tulip_softc *sc; 3987 { 3988 struct ifmedia_entry *ife; 3989 struct tulip_21x4x_media *tm; 3990 3991 ife = TULIP_CURRENT_MEDIA(sc); 3992 tm = ife->ifm_aux; 3993 3994 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID); 3995 3996 if (tm->tm_actmask != 0) { 3997 sc->sc_flags |= TULIPF_LINK_VALID; 3998 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) == 3999 tm->tm_actdata) 4000 sc->sc_flags |= TULIPF_LINK_UP; 4001 } 4002 } 4003 4004 void 4005 tlp_21140_gpio_get(sc, ifmr) 4006 struct tulip_softc *sc; 4007 struct ifmediareq *ifmr; 4008 { 4009 struct ifmedia_entry *ife; 4010 4011 ifmr->ifm_status = 0; 4012 4013 tlp_21140_gpio_update_link(sc); 4014 4015 ife = TULIP_CURRENT_MEDIA(sc); 4016 4017 if (sc->sc_flags & TULIPF_LINK_VALID) 4018 ifmr->ifm_status |= IFM_AVALID; 4019 if (sc->sc_flags & TULIPF_LINK_UP) 4020 ifmr->ifm_status |= IFM_ACTIVE; 4021 ifmr->ifm_active = ife->ifm_media; 4022 } 4023 4024 int 4025 tlp_21140_gpio_set(sc) 4026 struct tulip_softc *sc; 4027 { 4028 struct ifmedia_entry *ife; 4029 struct tulip_21x4x_media *tm; 4030 4031 ife = TULIP_CURRENT_MEDIA(sc); 4032 tm = ife->ifm_aux; 4033 4034 /* 4035 * Idle the chip. 4036 */ 4037 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 4038 4039 /* 4040 * Set the GPIO pins for this media, to flip any 4041 * relays, etc. 4042 */ 4043 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4044 delay(10); 4045 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata); 4046 4047 /* 4048 * Set the OPMODE bits for this media and write OPMODE. 4049 * This will resume the transmit and receive processes. 4050 */ 4051 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode; 4052 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 4053 4054 return (0); 4055 } 4056 4057 /* 4058 * 21040 and 21041 media switches. 4059 */ 4060 void tlp_21040_tmsw_init __P((struct tulip_softc *)); 4061 void tlp_21040_tp_tmsw_init __P((struct tulip_softc *)); 4062 void tlp_21040_auibnc_tmsw_init __P((struct tulip_softc *)); 4063 void tlp_21041_tmsw_init __P((struct tulip_softc *)); 4064 4065 const struct tulip_mediasw tlp_21040_mediasw = { 4066 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set 4067 }; 4068 4069 const struct tulip_mediasw tlp_21040_tp_mediasw = { 4070 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set 4071 }; 4072 4073 const struct tulip_mediasw tlp_21040_auibnc_mediasw = { 4074 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set 4075 }; 4076 4077 const struct tulip_mediasw tlp_21041_mediasw = { 4078 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set 4079 }; 4080 4081 4082 void 4083 tlp_21040_tmsw_init(sc) 4084 struct tulip_softc *sc; 4085 { 4086 static const u_int8_t media[] = { 4087 TULIP_ROM_MB_MEDIA_TP, 4088 TULIP_ROM_MB_MEDIA_TP_FDX, 4089 TULIP_ROM_MB_MEDIA_AUI, 4090 }; 4091 struct tulip_21x4x_media *tm; 4092 4093 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4094 tlp_mediastatus); 4095 4096 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3); 4097 4098 /* 4099 * No SROM type for External SIA. 4100 */ 4101 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4102 memset(tm, 0, sizeof(*tm)); 4103 tm->tm_name = "manual"; 4104 tm->tm_opmode = 0; 4105 tm->tm_siaconn = SIACONN_21040_EXTSIA; 4106 tm->tm_siatxrx = SIATXRX_21040_EXTSIA; 4107 tm->tm_siagen = SIAGEN_21040_EXTSIA; 4108 ifmedia_add(&sc->sc_mii.mii_media, 4109 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm); 4110 4111 /* 4112 * XXX Autosense not yet supported. 4113 */ 4114 4115 /* XXX This should be auto-sense. */ 4116 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4117 4118 tlp_print_media(sc); 4119 } 4120 4121 void 4122 tlp_21040_tp_tmsw_init(sc) 4123 struct tulip_softc *sc; 4124 { 4125 static const u_int8_t media[] = { 4126 TULIP_ROM_MB_MEDIA_TP, 4127 TULIP_ROM_MB_MEDIA_TP_FDX, 4128 }; 4129 4130 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4131 tlp_mediastatus); 4132 4133 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2); 4134 4135 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4136 4137 tlp_print_media(sc); 4138 } 4139 4140 void 4141 tlp_21040_auibnc_tmsw_init(sc) 4142 struct tulip_softc *sc; 4143 { 4144 static const u_int8_t media[] = { 4145 TULIP_ROM_MB_MEDIA_AUI, 4146 }; 4147 4148 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4149 tlp_mediastatus); 4150 4151 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1); 4152 4153 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5); 4154 4155 tlp_print_media(sc); 4156 } 4157 4158 void 4159 tlp_21041_tmsw_init(sc) 4160 struct tulip_softc *sc; 4161 { 4162 static const u_int8_t media[] = { 4163 TULIP_ROM_MB_MEDIA_TP, 4164 TULIP_ROM_MB_MEDIA_TP_FDX, 4165 TULIP_ROM_MB_MEDIA_BNC, 4166 TULIP_ROM_MB_MEDIA_AUI, 4167 }; 4168 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt; 4169 const struct tulip_srom_to_ifmedia *tsti; 4170 struct tulip_21x4x_media *tm; 4171 u_int16_t romdef; 4172 u_int8_t mb; 4173 4174 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4175 tlp_mediastatus); 4176 4177 if (tlp_isv_srom(sc->sc_srom) == 0) { 4178 not_isv_srom: 4179 /* 4180 * If we have a board without the standard 21041 SROM format, 4181 * we just assume all media are present and try and pick a 4182 * reasonable default. 4183 */ 4184 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4); 4185 4186 /* 4187 * XXX Autosense not yet supported. 4188 */ 4189 4190 /* XXX This should be auto-sense. */ 4191 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 4192 4193 tlp_print_media(sc); 4194 return; 4195 } 4196 4197 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4198 for (i = 0; i < devcnt; i++) { 4199 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4200 break; 4201 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4202 sc->sc_devno) 4203 break; 4204 } 4205 4206 if (i == devcnt) 4207 goto not_isv_srom; 4208 4209 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4210 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4211 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE; 4212 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4213 4214 for (; m_cnt != 0; 4215 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) { 4216 mb = sc->sc_srom[mb_offset]; 4217 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4218 memset(tm, 0, sizeof(*tm)); 4219 switch (mb & TULIP_ROM_MB_MEDIA_CODE) { 4220 case TULIP_ROM_MB_MEDIA_TP_FDX: 4221 case TULIP_ROM_MB_MEDIA_TP: 4222 case TULIP_ROM_MB_MEDIA_BNC: 4223 case TULIP_ROM_MB_MEDIA_AUI: 4224 tsti = tlp_srom_to_ifmedia(mb & 4225 TULIP_ROM_MB_MEDIA_CODE); 4226 4227 tlp_srom_media_info(sc, tsti, tm); 4228 4229 /* 4230 * Override our default SIA settings if the 4231 * SROM contains its own. 4232 */ 4233 if (mb & TULIP_ROM_MB_EXT) { 4234 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom, 4235 mb_offset + TULIP_ROM_MB_CSR13); 4236 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom, 4237 mb_offset + TULIP_ROM_MB_CSR14); 4238 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom, 4239 mb_offset + TULIP_ROM_MB_CSR15); 4240 } 4241 4242 ifmedia_add(&sc->sc_mii.mii_media, 4243 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4244 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4245 break; 4246 4247 default: 4248 printf("%s: unknown media code 0x%02x\n", 4249 sc->sc_dev.dv_xname, 4250 mb & TULIP_ROM_MB_MEDIA_CODE); 4251 free(tm, M_DEVBUF); 4252 } 4253 } 4254 4255 /* 4256 * XXX Autosense not yet supported. 4257 */ 4258 4259 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset + 4260 TULIP_ROM_IL_SELECT_CONN_TYPE); 4261 switch (romdef) { 4262 case SELECT_CONN_TYPE_TP: 4263 case SELECT_CONN_TYPE_TP_AUTONEG: 4264 case SELECT_CONN_TYPE_TP_NOLINKPASS: 4265 defmedia = IFM_ETHER|IFM_10_T; 4266 break; 4267 4268 case SELECT_CONN_TYPE_TP_FDX: 4269 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 4270 break; 4271 4272 case SELECT_CONN_TYPE_BNC: 4273 defmedia = IFM_ETHER|IFM_10_2; 4274 break; 4275 4276 case SELECT_CONN_TYPE_AUI: 4277 defmedia = IFM_ETHER|IFM_10_5; 4278 break; 4279 #if 0 /* XXX */ 4280 case SELECT_CONN_TYPE_ASENSE: 4281 case SELECT_CONN_TYPE_ASENSE_AUTONEG: 4282 defmedia = IFM_ETHER|IFM_AUTO; 4283 break; 4284 #endif 4285 default: 4286 defmedia = 0; 4287 } 4288 4289 if (defmedia == 0) { 4290 /* 4291 * XXX We should default to auto-sense. 4292 */ 4293 defmedia = IFM_ETHER|IFM_10_T; 4294 } 4295 4296 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4297 4298 tlp_print_media(sc); 4299 } 4300 4301 /* 4302 * DECchip 2114x ISV media switch. 4303 */ 4304 void tlp_2114x_isv_tmsw_init __P((struct tulip_softc *)); 4305 void tlp_2114x_isv_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4306 int tlp_2114x_isv_tmsw_set __P((struct tulip_softc *)); 4307 4308 const struct tulip_mediasw tlp_2114x_isv_mediasw = { 4309 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 4310 }; 4311 4312 void 4313 tlp_2114x_isv_tmsw_init(sc) 4314 struct tulip_softc *sc; 4315 { 4316 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4317 struct ifmedia_entry *ife; 4318 struct mii_softc *phy; 4319 struct tulip_21x4x_media *tm; 4320 const struct tulip_srom_to_ifmedia *tsti; 4321 int i, devcnt, leaf_offset, m_cnt, type, length; 4322 int defmedia, miidef; 4323 u_int16_t word; 4324 u_int8_t *cp, *ncp; 4325 4326 defmedia = miidef = 0; 4327 4328 sc->sc_mii.mii_ifp = ifp; 4329 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4330 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4331 sc->sc_mii.mii_statchg = sc->sc_statchg; 4332 4333 /* 4334 * Ignore `instance'; we may get a mixture of SIA and MII 4335 * media, and `instance' is used to isolate or select the 4336 * PHY on the MII as appropriate. Note that duplicate media 4337 * are disallowed, so ignoring `instance' is safe. 4338 */ 4339 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange, 4340 tlp_mediastatus); 4341 4342 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT]; 4343 for (i = 0; i < devcnt; i++) { 4344 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1) 4345 break; 4346 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] == 4347 sc->sc_devno) 4348 break; 4349 } 4350 4351 if (i == devcnt) { 4352 printf("%s: unable to locate info leaf in SROM\n", 4353 sc->sc_dev.dv_xname); 4354 return; 4355 } 4356 4357 leaf_offset = TULIP_ROM_GETW(sc->sc_srom, 4358 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i)); 4359 4360 /* XXX SELECT CONN TYPE */ 4361 4362 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT]; 4363 4364 /* 4365 * On some chips, the first thing in the Info Leaf is the 4366 * GPIO pin direction data. 4367 */ 4368 switch (sc->sc_chip) { 4369 case TULIP_CHIP_21140: 4370 case TULIP_CHIP_21140A: 4371 case TULIP_CHIP_MX98713: 4372 case TULIP_CHIP_AX88140: 4373 case TULIP_CHIP_AX88141: 4374 sc->sc_gp_dir = *cp++; 4375 break; 4376 4377 default: 4378 /* Nothing. */ 4379 } 4380 4381 /* Get the media count. */ 4382 m_cnt = *cp++; 4383 4384 for (; m_cnt != 0; cp = ncp, m_cnt--) { 4385 /* 4386 * Determine the type and length of this media block. 4387 */ 4388 if ((*cp & 0x80) == 0) { 4389 length = 4; 4390 type = TULIP_ROM_MB_21140_GPR; 4391 } else { 4392 length = (*cp++ & 0x7f) - 1; 4393 type = *cp++ & 0x3f; 4394 } 4395 4396 /* Compute the start of the next block. */ 4397 ncp = cp + length; 4398 4399 /* Now, parse the block. */ 4400 switch (type) { 4401 case TULIP_ROM_MB_21140_GPR: 4402 tlp_get_minst(sc); 4403 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR; 4404 4405 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4406 memset(tm, 0, sizeof(*tm)); 4407 4408 tm->tm_type = TULIP_ROM_MB_21140_GPR; 4409 tm->tm_get = tlp_21140_gpio_get; 4410 tm->tm_set = tlp_21140_gpio_set; 4411 4412 /* First is the media type code. */ 4413 tsti = tlp_srom_to_ifmedia(cp[0] & 4414 TULIP_ROM_MB_MEDIA_CODE); 4415 if (tsti == NULL) { 4416 /* Invalid media code. */ 4417 free(tm, M_DEVBUF); 4418 break; 4419 } 4420 4421 /* Get defaults. */ 4422 tlp_srom_media_info(sc, tsti, tm); 4423 4424 /* Next is any GPIO info for this media. */ 4425 tm->tm_gpdata = cp[1]; 4426 4427 /* 4428 * Next is a word containing OPMODE information 4429 * and info on how to detect if this media is 4430 * active. 4431 */ 4432 word = TULIP_ROM_GETW(cp, 2); 4433 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4434 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4435 tm->tm_actmask = 4436 TULIP_ROM_MB_BITPOS(word); 4437 tm->tm_actdata = 4438 (word & TULIP_ROM_MB_POLARITY) ? 4439 0 : tm->tm_actmask; 4440 } 4441 4442 ifmedia_add(&sc->sc_mii.mii_media, 4443 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4444 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4445 break; 4446 4447 case TULIP_ROM_MB_21140_MII: 4448 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII; 4449 4450 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4451 memset(tm, 0, sizeof(*tm)); 4452 4453 tm->tm_type = TULIP_ROM_MB_21140_MII; 4454 tm->tm_get = tlp_mii_getmedia; 4455 tm->tm_set = tlp_mii_setmedia; 4456 tm->tm_opmode = OPMODE_PS; 4457 4458 if (sc->sc_reset == NULL) 4459 sc->sc_reset = tlp_21140_reset; 4460 4461 /* First is the PHY number. */ 4462 tm->tm_phyno = *cp++; 4463 4464 /* Next is the MII select sequence length and offset. */ 4465 tm->tm_gp_length = *cp++; 4466 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4467 cp += tm->tm_gp_length; 4468 4469 /* Next is the MII reset sequence length and offset. */ 4470 tm->tm_reset_length = *cp++; 4471 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4472 cp += tm->tm_reset_length; 4473 4474 /* 4475 * The following items are left in the media block 4476 * that we don't particularly care about: 4477 * 4478 * capabilities W 4479 * advertisement W 4480 * full duplex W 4481 * tx threshold W 4482 * 4483 * These appear to be bits in the PHY registers, 4484 * which our MII code handles on its own. 4485 */ 4486 4487 /* 4488 * Before we probe the MII bus, we need to reset 4489 * it and issue the selection sequence. 4490 */ 4491 4492 /* Set the direction of the pins... */ 4493 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir); 4494 4495 for (i = 0; i < tm->tm_reset_length; i++) { 4496 delay(10); 4497 TULIP_WRITE(sc, CSR_GPP, 4498 sc->sc_srom[tm->tm_reset_offset + i]); 4499 } 4500 4501 for (i = 0; i < tm->tm_gp_length; i++) { 4502 delay(10); 4503 TULIP_WRITE(sc, CSR_GPP, 4504 sc->sc_srom[tm->tm_gp_offset + i]); 4505 } 4506 4507 /* If there were no sequences, just lower the pins. */ 4508 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4509 delay(10); 4510 TULIP_WRITE(sc, CSR_GPP, 0); 4511 } 4512 4513 /* 4514 * Now, probe the MII for the PHY. Note, we know 4515 * the location of the PHY on the bus, but we don't 4516 * particularly care; the MII code just likes to 4517 * search the whole thing anyhow. 4518 */ 4519 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4520 MII_PHY_ANY, tm->tm_phyno, 0); 4521 4522 /* 4523 * Now, search for the PHY we hopefully just 4524 * configured. If it's not configured into the 4525 * kernel, we lose. The PHY's default media always 4526 * takes priority. 4527 */ 4528 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4529 phy != NULL; 4530 phy = LIST_NEXT(phy, mii_list)) 4531 if (phy->mii_offset == tm->tm_phyno) 4532 break; 4533 if (phy == NULL) { 4534 printf("%s: unable to configure MII\n", 4535 sc->sc_dev.dv_xname); 4536 break; 4537 } 4538 4539 sc->sc_flags |= TULIPF_HAS_MII; 4540 sc->sc_tick = tlp_mii_tick; 4541 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4542 phy->mii_inst); 4543 4544 /* 4545 * Okay, now that we've found the PHY and the MII 4546 * layer has added all of the media associated 4547 * with that PHY, we need to traverse the media 4548 * list, and add our `tm' to each entry's `aux' 4549 * pointer. 4550 * 4551 * We do this by looking for media with our 4552 * PHY's `instance'. 4553 */ 4554 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4555 ife != NULL; 4556 ife = TAILQ_NEXT(ife, ifm_list)) { 4557 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4558 continue; 4559 ife->ifm_aux = tm; 4560 } 4561 break; 4562 4563 case TULIP_ROM_MB_21142_SIA: 4564 tlp_get_minst(sc); 4565 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA; 4566 4567 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4568 memset(tm, 0, sizeof(*tm)); 4569 4570 tm->tm_type = TULIP_ROM_MB_21142_SIA; 4571 tm->tm_get = tlp_sia_get; 4572 tm->tm_set = tlp_sia_set; 4573 4574 /* First is the media type code. */ 4575 tsti = tlp_srom_to_ifmedia(cp[0] & 4576 TULIP_ROM_MB_MEDIA_CODE); 4577 if (tsti == NULL) { 4578 /* Invalid media code. */ 4579 free(tm, M_DEVBUF); 4580 break; 4581 } 4582 4583 /* Get defaults. */ 4584 tlp_srom_media_info(sc, tsti, tm); 4585 4586 /* 4587 * Override our default SIA settings if the 4588 * SROM contains its own. 4589 */ 4590 if (cp[0] & 0x40) { 4591 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1); 4592 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3); 4593 tm->tm_siagen = TULIP_ROM_GETW(cp, 5); 4594 cp += 7; 4595 } else 4596 cp++; 4597 4598 /* Next is GPIO control/data. */ 4599 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0); 4600 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2); 4601 4602 ifmedia_add(&sc->sc_mii.mii_media, 4603 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4604 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4605 break; 4606 4607 case TULIP_ROM_MB_21142_MII: 4608 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII; 4609 4610 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4611 memset(tm, 0, sizeof(*tm)); 4612 4613 tm->tm_type = TULIP_ROM_MB_21142_MII; 4614 tm->tm_get = tlp_mii_getmedia; 4615 tm->tm_set = tlp_mii_setmedia; 4616 tm->tm_opmode = OPMODE_PS; 4617 4618 if (sc->sc_reset == NULL) 4619 sc->sc_reset = tlp_21142_reset; 4620 4621 /* First is the PHY number. */ 4622 tm->tm_phyno = *cp++; 4623 4624 /* Next is the MII select sequence length and offset. */ 4625 tm->tm_gp_length = *cp++; 4626 tm->tm_gp_offset = cp - &sc->sc_srom[0]; 4627 cp += tm->tm_gp_length * 2; 4628 4629 /* Next is the MII reset sequence length and offset. */ 4630 tm->tm_reset_length = *cp++; 4631 tm->tm_reset_offset = cp - &sc->sc_srom[0]; 4632 cp += tm->tm_reset_length * 2; 4633 4634 /* 4635 * The following items are left in the media block 4636 * that we don't particularly care about: 4637 * 4638 * capabilities W 4639 * advertisement W 4640 * full duplex W 4641 * tx threshold W 4642 * MII interrupt W 4643 * 4644 * These appear to be bits in the PHY registers, 4645 * which our MII code handles on its own. 4646 */ 4647 4648 /* 4649 * Before we probe the MII bus, we need to reset 4650 * it and issue the selection sequence. 4651 */ 4652 4653 ncp = &sc->sc_srom[tm->tm_reset_offset]; 4654 for (i = 0; i < tm->tm_reset_length; i++, ncp += 2) { 4655 delay(10); 4656 TULIP_WRITE(sc, CSR_SIAGEN, 4657 TULIP_ROM_GETW(ncp, 0) << 16); 4658 } 4659 4660 ncp = &sc->sc_srom[tm->tm_gp_offset]; 4661 for (i = 0; i < tm->tm_gp_length; i++, ncp += 2) { 4662 delay(10); 4663 TULIP_WRITE(sc, CSR_SIAGEN, 4664 TULIP_ROM_GETW(ncp, 0) << 16); 4665 } 4666 4667 /* If there were no sequences, just lower the pins. */ 4668 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) { 4669 delay(10); 4670 TULIP_WRITE(sc, CSR_SIAGEN, 0); 4671 } 4672 4673 /* 4674 * Now, probe the MII for the PHY. Note, we know 4675 * the location of the PHY on the bus, but we don't 4676 * particularly care; the MII code just likes to 4677 * search the whole thing anyhow. 4678 */ 4679 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 4680 MII_PHY_ANY, tm->tm_phyno, 0); 4681 4682 /* 4683 * Now, search for the PHY we hopefully just 4684 * configured. If it's not configured into the 4685 * kernel, we lose. The PHY's default media always 4686 * takes priority. 4687 */ 4688 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys); 4689 phy != NULL; 4690 phy = LIST_NEXT(phy, mii_list)) 4691 if (phy->mii_offset == tm->tm_phyno) 4692 break; 4693 if (phy == NULL) { 4694 printf("%s: unable to configure MII\n", 4695 sc->sc_dev.dv_xname); 4696 break; 4697 } 4698 4699 sc->sc_flags |= TULIPF_HAS_MII; 4700 sc->sc_tick = tlp_mii_tick; 4701 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 4702 phy->mii_inst); 4703 4704 /* 4705 * Okay, now that we've found the PHY and the MII 4706 * layer has added all of the media associated 4707 * with that PHY, we need to traverse the media 4708 * list, and add our `tm' to each entry's `aux' 4709 * pointer. 4710 * 4711 * We do this by looking for media with our 4712 * PHY's `instance'. 4713 */ 4714 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list); 4715 ife != NULL; 4716 ife = TAILQ_NEXT(ife, ifm_list)) { 4717 if (IFM_INST(ife->ifm_media) != phy->mii_inst) 4718 continue; 4719 ife->ifm_aux = tm; 4720 } 4721 break; 4722 4723 case TULIP_ROM_MB_21143_SYM: 4724 tlp_get_minst(sc); 4725 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM; 4726 4727 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK); 4728 memset(tm, 0, sizeof(*tm)); 4729 4730 tm->tm_type = TULIP_ROM_MB_21143_SYM; 4731 tm->tm_get = tlp_sia_get; 4732 tm->tm_set = tlp_sia_set; 4733 4734 /* First is the media type code. */ 4735 tsti = tlp_srom_to_ifmedia(cp[0] & 4736 TULIP_ROM_MB_MEDIA_CODE); 4737 if (tsti == NULL) { 4738 /* Invalid media code. */ 4739 free(tm, M_DEVBUF); 4740 break; 4741 } 4742 4743 /* Get defaults. */ 4744 tlp_srom_media_info(sc, tsti, tm); 4745 4746 /* Next is GPIO control/data. */ 4747 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1); 4748 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3); 4749 4750 /* 4751 * Next is a word containing OPMODE information 4752 * and info on how to detect if this media is 4753 * active. 4754 */ 4755 word = TULIP_ROM_GETW(cp, 5); 4756 tm->tm_opmode = TULIP_ROM_MB_OPMODE(word); 4757 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) { 4758 tm->tm_actmask = 4759 TULIP_ROM_MB_BITPOS(word); 4760 tm->tm_actdata = 4761 (word & TULIP_ROM_MB_POLARITY) ? 4762 0 : tm->tm_actmask; 4763 } 4764 4765 ifmedia_add(&sc->sc_mii.mii_media, 4766 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype, 4767 tsti->tsti_options, sc->sc_tlp_minst), 0, tm); 4768 break; 4769 4770 case TULIP_ROM_MB_21143_RESET: 4771 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname); 4772 break; 4773 4774 default: 4775 printf("%s: unknown ISV media block type 0x%02x\n", 4776 sc->sc_dev.dv_xname, type); 4777 } 4778 } 4779 4780 /* 4781 * Deal with the case where no media is configured. 4782 */ 4783 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) { 4784 printf("%s: no media found!\n", sc->sc_dev.dv_xname); 4785 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4786 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4787 return; 4788 } 4789 4790 /* 4791 * Pick the default media. 4792 */ 4793 if (miidef != 0) 4794 defmedia = miidef; 4795 else { 4796 /* 4797 * XXX Pick a better default. Should come from SROM 4798 * XXX on 21140[A], and should be "auto" on 21142, 4799 * XXX 21143, and Macronix chips. 4800 */ 4801 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0); 4802 } 4803 4804 ifmedia_set(&sc->sc_mii.mii_media, defmedia); 4805 4806 /* 4807 * Display any non-MII media we've located. 4808 */ 4809 if (sc->sc_media_seen & 4810 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII))) 4811 tlp_print_media(sc); 4812 4813 tlp_sia_fixup(sc); 4814 } 4815 4816 void 4817 tlp_2114x_isv_tmsw_get(sc, ifmr) 4818 struct tulip_softc *sc; 4819 struct ifmediareq *ifmr; 4820 { 4821 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4822 struct tulip_21x4x_media *tm = ife->ifm_aux; 4823 4824 /* 4825 * We might be polling a non-MII autosense; check for that. 4826 */ 4827 if (tm == NULL) { 4828 #ifdef DIAGNOSTIC 4829 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4830 panic("tlp_2114x_isv_tmsw_get"); 4831 #endif 4832 tm = sc->sc_nway_active->ifm_aux; 4833 } 4834 4835 (*tm->tm_get)(sc, ifmr); 4836 } 4837 4838 int 4839 tlp_2114x_isv_tmsw_set(sc) 4840 struct tulip_softc *sc; 4841 { 4842 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur; 4843 struct tulip_21x4x_media *tm = ife->ifm_aux; 4844 4845 /* 4846 * We might be setting a non-MII autosense; check for that. 4847 */ 4848 if (tm == NULL) { 4849 #ifdef DIAGNOSTIC 4850 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 4851 panic("tlp_2114x_isv_tmsw_set"); 4852 #endif 4853 /* XXX XXX XXX */ 4854 } 4855 4856 /* 4857 * Check to see if we need to reset the chip, and do it. The 4858 * reset path will get the OPMODE register right the next 4859 * time through. 4860 */ 4861 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode)) 4862 return (tlp_init(sc)); 4863 4864 return ((*tm->tm_set)(sc)); 4865 } 4866 4867 /* 4868 * MII-on-SIO media switch. Handles only MII attached to the SIO. 4869 */ 4870 void tlp_sio_mii_tmsw_init __P((struct tulip_softc *)); 4871 4872 const struct tulip_mediasw tlp_sio_mii_mediasw = { 4873 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 4874 }; 4875 4876 void 4877 tlp_sio_mii_tmsw_init(sc) 4878 struct tulip_softc *sc; 4879 { 4880 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4881 4882 /* 4883 * We don't attach any media info structures to the ifmedia 4884 * entries, so if we're using a pre-init function that needs 4885 * that info, override it to one that doesn't. 4886 */ 4887 if (sc->sc_preinit == tlp_2114x_preinit) 4888 sc->sc_preinit = tlp_2114x_mii_preinit; 4889 4890 sc->sc_mii.mii_ifp = ifp; 4891 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 4892 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 4893 sc->sc_mii.mii_statchg = sc->sc_statchg; 4894 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4895 tlp_mediastatus); 4896 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4897 MII_OFFSET_ANY, 0); 4898 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4899 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 4900 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 4901 } else { 4902 sc->sc_flags |= TULIPF_HAS_MII; 4903 sc->sc_tick = tlp_mii_tick; 4904 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4905 } 4906 } 4907 4908 /* 4909 * Lite-On PNIC media switch. Must handle MII or internal NWAY. 4910 */ 4911 void tlp_pnic_tmsw_init __P((struct tulip_softc *)); 4912 void tlp_pnic_tmsw_get __P((struct tulip_softc *, struct ifmediareq *)); 4913 int tlp_pnic_tmsw_set __P((struct tulip_softc *)); 4914 4915 const struct tulip_mediasw tlp_pnic_mediasw = { 4916 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set 4917 }; 4918 4919 void tlp_pnic_nway_statchg __P((struct device *)); 4920 void tlp_pnic_nway_tick __P((void *)); 4921 int tlp_pnic_nway_service __P((struct tulip_softc *, int)); 4922 void tlp_pnic_nway_reset __P((struct tulip_softc *)); 4923 int tlp_pnic_nway_auto __P((struct tulip_softc *, int)); 4924 void tlp_pnic_nway_auto_timeout __P((void *)); 4925 void tlp_pnic_nway_status __P((struct tulip_softc *)); 4926 void tlp_pnic_nway_acomp __P((struct tulip_softc *)); 4927 4928 void 4929 tlp_pnic_tmsw_init(sc) 4930 struct tulip_softc *sc; 4931 { 4932 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 4933 const char *sep = ""; 4934 4935 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL) 4936 #define PRINT(s) printf("%s%s", sep, s); sep = ", " 4937 4938 sc->sc_mii.mii_ifp = ifp; 4939 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg; 4940 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg; 4941 sc->sc_mii.mii_statchg = sc->sc_statchg; 4942 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 4943 tlp_mediastatus); 4944 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 4945 MII_OFFSET_ANY, 0); 4946 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 4947 /* XXX What about AUI/BNC support? */ 4948 printf("%s: ", sc->sc_dev.dv_xname); 4949 4950 tlp_pnic_nway_reset(sc); 4951 4952 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0), 4953 PNIC_NWAY_TW|PNIC_NWAY_CAP10T); 4954 PRINT("10baseT"); 4955 4956 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0), 4957 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX); 4958 PRINT("10baseT-FDX"); 4959 4960 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0), 4961 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX); 4962 PRINT("100baseTX"); 4963 4964 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0), 4965 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD| 4966 PNIC_NWAY_CAP100TXFDX); 4967 PRINT("100baseTX-FDX"); 4968 4969 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 4970 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW| 4971 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX| 4972 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX); 4973 PRINT("auto"); 4974 4975 printf("\n"); 4976 4977 sc->sc_statchg = tlp_pnic_nway_statchg; 4978 sc->sc_tick = tlp_pnic_nway_tick; 4979 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4980 } else { 4981 sc->sc_flags |= TULIPF_HAS_MII; 4982 sc->sc_tick = tlp_mii_tick; 4983 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 4984 } 4985 4986 #undef ADD 4987 #undef PRINT 4988 } 4989 4990 void 4991 tlp_pnic_tmsw_get(sc, ifmr) 4992 struct tulip_softc *sc; 4993 struct ifmediareq *ifmr; 4994 { 4995 struct mii_data *mii = &sc->sc_mii; 4996 4997 if (sc->sc_flags & TULIPF_HAS_MII) 4998 tlp_mii_getmedia(sc, ifmr); 4999 else { 5000 mii->mii_media_status = 0; 5001 mii->mii_media_active = IFM_NONE; 5002 tlp_pnic_nway_service(sc, MII_POLLSTAT); 5003 ifmr->ifm_status = sc->sc_mii.mii_media_status; 5004 ifmr->ifm_active = sc->sc_mii.mii_media_active; 5005 } 5006 } 5007 5008 int 5009 tlp_pnic_tmsw_set(sc) 5010 struct tulip_softc *sc; 5011 { 5012 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5013 struct mii_data *mii = &sc->sc_mii; 5014 5015 if (sc->sc_flags & TULIPF_HAS_MII) { 5016 /* 5017 * Make sure the built-in Tx jabber timer is disabled. 5018 */ 5019 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS); 5020 5021 return (tlp_mii_setmedia(sc)); 5022 } 5023 5024 if (ifp->if_flags & IFF_UP) { 5025 mii->mii_media_status = 0; 5026 mii->mii_media_active = IFM_NONE; 5027 return (tlp_pnic_nway_service(sc, MII_MEDIACHG)); 5028 } 5029 5030 return (0); 5031 } 5032 5033 void 5034 tlp_pnic_nway_statchg(self) 5035 struct device *self; 5036 { 5037 struct tulip_softc *sc = (struct tulip_softc *)self; 5038 5039 /* Idle the transmit and receive processes. */ 5040 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 5041 5042 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS| 5043 OPMODE_SCR|OPMODE_HBD); 5044 5045 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) { 5046 sc->sc_opmode |= OPMODE_TTM; 5047 TULIP_WRITE(sc, CSR_GPP, 5048 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) | 5049 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5050 } else { 5051 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD; 5052 TULIP_WRITE(sc, CSR_GPP, 5053 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) | 5054 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1)); 5055 } 5056 5057 if (sc->sc_mii.mii_media_active & IFM_FDX) 5058 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD; 5059 5060 /* 5061 * Write new OPMODE bits. This also restarts the transmit 5062 * and receive processes. 5063 */ 5064 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 5065 } 5066 5067 void 5068 tlp_pnic_nway_tick(arg) 5069 void *arg; 5070 { 5071 struct tulip_softc *sc = arg; 5072 int s; 5073 5074 if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0) 5075 return; 5076 5077 s = splnet(); 5078 tlp_pnic_nway_service(sc, MII_TICK); 5079 splx(s); 5080 5081 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc); 5082 } 5083 5084 /* 5085 * Support for the Lite-On PNIC internal NWay block. This is constructed 5086 * somewhat like a PHY driver for simplicity. 5087 */ 5088 5089 int 5090 tlp_pnic_nway_service(sc, cmd) 5091 struct tulip_softc *sc; 5092 int cmd; 5093 { 5094 struct mii_data *mii = &sc->sc_mii; 5095 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5096 5097 if ((mii->mii_ifp->if_flags & IFF_UP) == 0) 5098 return (0); 5099 5100 switch (cmd) { 5101 case MII_POLLSTAT: 5102 /* Nothing special to do here. */ 5103 break; 5104 5105 case MII_MEDIACHG: 5106 switch (IFM_SUBTYPE(ife->ifm_media)) { 5107 case IFM_AUTO: 5108 (void) tlp_pnic_nway_auto(sc, 1); 5109 break; 5110 case IFM_100_T4: 5111 /* 5112 * XXX Not supported as a manual setting right now. 5113 */ 5114 return (EINVAL); 5115 default: 5116 /* 5117 * NWAY register data is stored in the ifmedia entry. 5118 */ 5119 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5120 } 5121 break; 5122 5123 case MII_TICK: 5124 /* 5125 * Only used for autonegotiation. 5126 */ 5127 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) 5128 return (0); 5129 5130 /* 5131 * Check to see if we have link. If we do, we don't 5132 * need to restart the autonegotiation process. 5133 */ 5134 if (sc->sc_flags & TULIPF_LINK_UP) 5135 return (0); 5136 5137 /* 5138 * Only retry autonegotiation every 5 seconds. 5139 */ 5140 if (++sc->sc_nway_ticks != 5) 5141 return (0); 5142 5143 sc->sc_nway_ticks = 0; 5144 tlp_pnic_nway_reset(sc); 5145 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN) 5146 return (0); 5147 break; 5148 } 5149 5150 /* Update the media status. */ 5151 tlp_pnic_nway_status(sc); 5152 5153 /* Callback if something changed. */ 5154 if ((sc->sc_nway_active == NULL || 5155 sc->sc_nway_active->ifm_media != mii->mii_media_active) || 5156 cmd == MII_MEDIACHG) { 5157 (*sc->sc_statchg)(&sc->sc_dev); 5158 tlp_nway_activate(sc, mii->mii_media_active); 5159 } 5160 return (0); 5161 } 5162 5163 void 5164 tlp_pnic_nway_reset(sc) 5165 struct tulip_softc *sc; 5166 { 5167 5168 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS); 5169 delay(100); 5170 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0); 5171 } 5172 5173 int 5174 tlp_pnic_nway_auto(sc, waitfor) 5175 struct tulip_softc *sc; 5176 int waitfor; 5177 { 5178 struct mii_data *mii = &sc->sc_mii; 5179 struct ifmedia_entry *ife = mii->mii_media.ifm_cur; 5180 u_int32_t reg; 5181 int i; 5182 5183 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) 5184 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data); 5185 5186 if (waitfor) { 5187 /* Wait 500ms for it to complete. */ 5188 for (i = 0; i < 500; i++) { 5189 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5190 if (reg & PNIC_NWAY_LPAR_MASK) { 5191 tlp_pnic_nway_acomp(sc); 5192 return (0); 5193 } 5194 delay(1000); 5195 } 5196 #if 0 5197 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5198 printf("%s: autonegotiation failed to complete\n", 5199 sc->sc_dev.dv_xname); 5200 #endif 5201 5202 /* 5203 * Don't need to worry about clearing DOINGAUTO. 5204 * If that's set, a timeout is pending, and it will 5205 * clear the flag. 5206 */ 5207 return (EIO); 5208 } 5209 5210 /* 5211 * Just let it finish asynchronously. This is for the benefit of 5212 * the tick handler driving autonegotiation. Don't want 500ms 5213 * delays all the time while the system is running! 5214 */ 5215 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) { 5216 sc->sc_flags |= TULIPF_DOINGAUTO; 5217 callout_reset(&sc->sc_nway_callout, hz >> 1, 5218 tlp_pnic_nway_auto_timeout, sc); 5219 } 5220 return (EJUSTRETURN); 5221 } 5222 5223 void 5224 tlp_pnic_nway_auto_timeout(arg) 5225 void *arg; 5226 { 5227 struct tulip_softc *sc = arg; 5228 u_int32_t reg; 5229 int s; 5230 5231 s = splnet(); 5232 sc->sc_flags &= ~TULIPF_DOINGAUTO; 5233 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5234 #if 0 5235 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) 5236 printf("%s: autonegotiation failed to complete\n", 5237 sc->sc_dev.dv_xname); 5238 #endif 5239 5240 tlp_pnic_nway_acomp(sc); 5241 5242 /* Update the media status. */ 5243 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT); 5244 splx(s); 5245 } 5246 5247 void 5248 tlp_pnic_nway_status(sc) 5249 struct tulip_softc *sc; 5250 { 5251 struct mii_data *mii = &sc->sc_mii; 5252 u_int32_t reg; 5253 5254 mii->mii_media_status = IFM_AVALID; 5255 mii->mii_media_active = IFM_ETHER; 5256 5257 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5258 5259 if (sc->sc_flags & TULIPF_LINK_UP) 5260 mii->mii_media_status |= IFM_ACTIVE; 5261 5262 if (reg & PNIC_NWAY_NW) { 5263 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) { 5264 /* Erg, still trying, I guess... */ 5265 mii->mii_media_active |= IFM_NONE; 5266 return; 5267 } 5268 5269 #if 0 5270 if (reg & PNIC_NWAY_LPAR100T4) 5271 mii->mii_media_active |= IFM_100_T4; 5272 else 5273 #endif 5274 if (reg & PNIC_NWAY_LPAR100TXFDX) 5275 mii->mii_media_active |= IFM_100_TX|IFM_FDX; 5276 else if (reg & PNIC_NWAY_LPAR100TX) 5277 mii->mii_media_active |= IFM_100_TX; 5278 else if (reg & PNIC_NWAY_LPAR10TFDX) 5279 mii->mii_media_active |= IFM_10_T|IFM_FDX; 5280 else if (reg & PNIC_NWAY_LPAR10T) 5281 mii->mii_media_active |= IFM_10_T; 5282 else 5283 mii->mii_media_active |= IFM_NONE; 5284 } else { 5285 if (reg & PNIC_NWAY_100) 5286 mii->mii_media_active |= IFM_100_TX; 5287 else 5288 mii->mii_media_active |= IFM_10_T; 5289 if (reg & PNIC_NWAY_FD) 5290 mii->mii_media_active |= IFM_FDX; 5291 } 5292 } 5293 5294 void 5295 tlp_pnic_nway_acomp(sc) 5296 struct tulip_softc *sc; 5297 { 5298 u_int32_t reg; 5299 5300 reg = TULIP_READ(sc, CSR_PNIC_NWAY); 5301 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN); 5302 5303 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX)) 5304 reg |= PNIC_NWAY_100; 5305 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX)) 5306 reg |= PNIC_NWAY_FD; 5307 5308 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg); 5309 } 5310 5311 /* 5312 * Macronix PMAC and Lite-On PNIC-II media switch: 5313 * 5314 * MX98713 and MX98713A 21140-like MII or GPIO media. 5315 * 5316 * MX98713A 21143-like MII or SIA/SYM media. 5317 * 5318 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media. 5319 * 82C115 5320 * 5321 * So, what we do here is fake MII-on-SIO or ISV media info, and 5322 * use the ISV media switch get/set functions to handle the rest. 5323 */ 5324 5325 void tlp_pmac_tmsw_init __P((struct tulip_softc *)); 5326 5327 const struct tulip_mediasw tlp_pmac_mediasw = { 5328 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set 5329 }; 5330 5331 const struct tulip_mediasw tlp_pmac_mii_mediasw = { 5332 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5333 }; 5334 5335 void 5336 tlp_pmac_tmsw_init(sc) 5337 struct tulip_softc *sc; 5338 { 5339 static const u_int8_t media[] = { 5340 TULIP_ROM_MB_MEDIA_TP, 5341 TULIP_ROM_MB_MEDIA_TP_FDX, 5342 TULIP_ROM_MB_MEDIA_100TX, 5343 TULIP_ROM_MB_MEDIA_100TX_FDX, 5344 }; 5345 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5346 5347 sc->sc_mii.mii_ifp = ifp; 5348 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg; 5349 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg; 5350 sc->sc_mii.mii_statchg = sc->sc_statchg; 5351 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5352 tlp_mediastatus); 5353 if (sc->sc_chip == TULIP_CHIP_MX98713 || 5354 sc->sc_chip == TULIP_CHIP_MX98713A) { 5355 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 5356 MII_PHY_ANY, MII_OFFSET_ANY, 0); 5357 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) { 5358 sc->sc_flags |= TULIPF_HAS_MII; 5359 sc->sc_tick = tlp_mii_tick; 5360 sc->sc_preinit = tlp_2114x_mii_preinit; 5361 sc->sc_mediasw = &tlp_pmac_mii_mediasw; 5362 ifmedia_set(&sc->sc_mii.mii_media, 5363 IFM_ETHER|IFM_AUTO); 5364 return; 5365 } 5366 } 5367 5368 switch (sc->sc_chip) { 5369 case TULIP_CHIP_MX98713: 5370 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR, 5371 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4); 5372 5373 /* 5374 * XXX Should implement auto-sense for this someday, 5375 * XXX when we do the same for the 21140. 5376 */ 5377 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5378 break; 5379 5380 default: 5381 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA, 5382 tlp_sia_get, tlp_sia_set, media, 2); 5383 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM, 5384 tlp_sia_get, tlp_sia_set, media + 2, 2); 5385 5386 /* 5387 * XXX Autonegotiation not yet supported. 5388 */ 5389 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T); 5390 break; 5391 } 5392 5393 tlp_print_media(sc); 5394 tlp_sia_fixup(sc); 5395 5396 /* Set the LED modes. */ 5397 tlp_pmac_reset(sc); 5398 5399 sc->sc_reset = tlp_pmac_reset; 5400 } 5401 5402 /* 5403 * ADMtek AL981 media switch. Only has internal PHY. 5404 */ 5405 void tlp_al981_tmsw_init __P((struct tulip_softc *)); 5406 5407 const struct tulip_mediasw tlp_al981_mediasw = { 5408 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia 5409 }; 5410 5411 void 5412 tlp_al981_tmsw_init(sc) 5413 struct tulip_softc *sc; 5414 { 5415 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 5416 5417 sc->sc_mii.mii_ifp = ifp; 5418 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg; 5419 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg; 5420 sc->sc_mii.mii_statchg = sc->sc_statchg; 5421 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 5422 tlp_mediastatus); 5423 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 5424 MII_OFFSET_ANY, 0); 5425 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 5426 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 5427 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 5428 } else { 5429 sc->sc_flags |= TULIPF_HAS_MII; 5430 sc->sc_tick = tlp_mii_tick; 5431 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 5432 } 5433 } 5434
Indexes created Mon Oct 20 11:09:49 GMT 2025